Locked Up and Found Out
An SPH Experience by limpshrimp83.
It was a stupid accident. I was walking past the break room, and the door wasn’t fully shut. She was adjusting her pants after using the bathroom, and for just a second, the outline of it pressed against the fabric of her slacks. Thick. Heavy. A soft, pendulous weight that hung there like it was showing off even in its resting state.
It was bigger than me hard.
Way bigger.
I froze.
She caught me looking, caught the way my eyes went wide, caught the flush spreading up my neck. Instead of being embarrassed, she laughed.
“Oops,” she said, not even bothering to cover up. “Hope you didn’t see anything you can’t handle, baby.”
That baby hit different coming from her. It was a taunt wrapped in honey. I mumbled some apology and scurried back to my desk, but I couldn’t stop thinking about it. The curve of it. The size. The way she just stood there, completely unashamed of what she was packing.
After that, the dynamic between us shifted. It wasn’t obvious at first. We’d always been close, joking around, slapping each other’s arms, the kind of easy office friendship that made the soul-crushing 9-to-5 bearable. But now there was this thing hanging between us. Literally.
She started leaning over my desk more, her crotch right at eye level. “Checking something for you,” she’d say, clicking through a spreadsheet, while my eyes kept drifting down to the bulge in her pants. She knew. She absolutely knew.
“I saw you looking,” she whispered one day, right by my ear, her breath warm. “It’s okay. I know it’s impressive.”
And I’d laugh it off, make some joke about her having an unfair advantage, but we both knew what was happening. She was establishing dominance. And I was letting her.
The pecks on the cheek started around then. Goodbye kisses, she called them. “You just look so cute when you’re buried in paperwork.” I’d turn red, she’d laugh, and I’d spend the rest of the day replaying the feeling of her lips on my skin.
Then there was the butt slapping. Oh god, the butt slapping. She has this incredible ass—round, firm, perfectly shaped for squeezing. I started doing it as a joke, a quick pat as I walked past her cubicle. But she’d arch into it. Push her hips back. Once, she grabbed my hand and pressed it firmly against her cheek, holding it there.
“Don’t be a tease,” she said. “If you’re gonna touch it, touch it properly.”
I was so far over my head.
But the cage incident. That’s where everything really clicked.
Dee, my girlfriend, had been getting more assertive about my… situation. She knew about my pathetic size, knew about my performance issues, knew I spent too much time watching BNWO content and fantasizing about my place in the world. She’d locked me up before, but usually just for a night or a weekend. Something fun, she said.
The night before this day, she was serious.
“I’m keeping the key,” she said, clicking the lock shut around my base. The cold steel settled against my skin, a familiar weight. “I have a long day tomorrow. I want to know you’re secure. No touching yourself and no trying to get off. Just… sit in it. Remember what you are.”
I woke up with the cage digging into my thighs, my balls aching, my dick completely inaccessible. She kissed me goodbye, the key dangling from her keychain, and told me to behave.
I went to work feeling exposed. The cage was a secret hum I couldn’t turn off. Every time I stood up, I felt it shift. Every time I sat down, it pressed against me. A constant reminder that I didn’t control my own cock anymore.
The morning was normal—emails, meetings, coffee. I was almost relaxing, thinking I could just power through the day without incident.
Then Crystal walked in.
She didn’t knock. She never knocked anymore. She just pushed the door open with a grin on her face, wearing those tight black slacks that hugged every inch of her lower body. A white blouse, unbuttoned just enough to show the curve of her tits. She looked like she owned the building.
I turned my chair towards her, ready with some dumb joke about her stealing my lunch or being late to a meeting.
She didn’t say anything.
She just walked right up to me, turned around, and plopped down onto my lap.
The impact knocked the air out of me. Her ass filled my entire lap, warm and heavy and incredibly solid. I could feel every curve of it pressing into my thighs. And right in the center of it, right against my crotch, she felt it.
The cage.
Steel. Unmistakable. The hard rectangular outline of my locked-up dick was pressed directly against the seam of her pants, right where her ass crack would be.
Time stopped.
I felt her whole body still for a single, loaded second. And then I felt her wiggle.
She deliberately rotated her hips, grinding her perfect ass against the cage. She was feeling its shape and confirming what she already suspected. Her cheeks pressed and released, the soft fabric of her slacks sliding over the hard steel.
I couldn’t breathe. I couldn’t move. My face was instantly on fire.
Then she popped up, just as fast as she’d sat down. She spun around, slapped my chest hard enough to sting, and let out this huge, delighted laugh.
“You dirty dog,” she said, her voice dripping with amusement. “About time your girl locked up that babydick.”
Babydick.
She said it. Out loud. The word I’d whispered to Dee in the dark, the word I’d typed into porn searches, the word I’d seen carved into my self-esteem by every BNWO caption I’d ever consumed. Coming from her lips, it felt like a verdict.
She knew. She always knew.
Before I could even form a response, she was speed-walking out the door, her laughter echoing down the hallway. The door swung shut behind her, leaving me alone in my chair, face burning, heart hammering, my trapped dick straining uselessly against the steel cage.
I sat there for a solid minute, just breathing. My hands were shaking. I could still feel the warmth of her ass on my lap, the pressure of her grinding against the cage. She’d sat on my shame and named it.
Babydick.
I wanted to make a joke. Call after her, say something about her being jealous of the cage’s security features, or that at least mine wasn’t swinging down to my knees—anything to reclaim some scrap of dignity.
But I couldn’t. My face was too hot. My voice was gone.
For the rest of the day, I was a wreck. Every time I saw her in the hallway, she’d give me this little smirk, this knowing glint in her eye. Once, she passed my desk and just whispered, “Still locked up, baby?” and kept walking.
I nodded like an idiot.
When Dee unlocked me that night, I came embarrassingly fast, shooting into her hand while she laughed. “Someone had a rough day,” she said.
I didn’t tell her everything. I didn’t tell her about Crystal’s lap landing right on the cage, or the wiggle, or the babydick comment. I didn’t tell her that when Crystal said those words, something clicked into place.
About time your girl locked up that babydick.
It wasn’t an insult. It was confirmation. Crystal saw exactly what I was. A chubby, pathetic guy with a tiny dick, caged up where he belonged. And she approved.
My face still gets hot thinking about it.
But I’d be lying if I said I didn’t want her to sit on my lap again.
The End.
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