When a dude in prison intentional shows the top of his ass by sagging his pants/ wearing a short shirt. Intended to attract lovers like when women show off their cleavage.
Inmate 1: Daaaaamn bro, did you see the top of Tyrell's ass just now.

Inmate 2: Oh hell yeah. Thas some nice prison cleavage. I'ma rape his ass good tonight.

Inmate 1: Lucky...
by ak2215 July 23, 2015
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The space between the cheeks of your butt,when the cheeks are squeezed together. Particularily sexy when a female is wearing ultra low rise jeans, and exposes just a little of it!
Wow, did you see the butt cleavage on her dude!
by Jeff Gawrys October 29, 2003
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When the seat-belt in a vehicle perfectly comes in between a women's breasts, producing a beautiful cleavage, outlining the women's breasts perfectly. A cleavage belt may also appear the women's breasts to appear bigger, and more seductively shaped.
Person 1: "Damn, look at that fine girls cleavage belt!"
Person 2: " Yea bro, that seat-belts lucky!"
by 1234#swag October 29, 2011
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The index finger, turned into a worm that wiggles down into a woman's cleavage. Works best around large bosoms.
My cleavage worm crawled his way in between my girlfriends tits.
by springtime April 20, 2009
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Refers to the bosom-like mounds of snow that occur at the bottom of a driveway after shoveling out from a snowstorm. Typically the cleavage grows and comes together as the winter progresses.
I have some serious driveway cleavage this year. I can barely get my Honda through it.
by mngurl February 1, 2011
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the thick crease that morbidly obese people often get hanging from their elbows.
"Hey Steve, have you seen Janet lately."
"Yeh she's put on loads of weight!"
"Tell me about it, i just got a full view of her elbow cleavage!"
by Timmy Frizbee November 11, 2006
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When a girl pushes her boobs together and a guy sticks his penis between and jacks off.
I gave Lauren a pearl necklace last night when I cleavage fucked her!
by Justine Smith September 26, 2004
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