3 definitions by PhiliD

Top Definition
When a lower bunkmate masturbates to the intercourse occurring on the bed above him, and tries to hit the above mattress with his spunk.
"Brad never gets laid, but I often hear him topgrading down there, while I fuck my girlfriend.
by PhiliD May 04, 2013

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The mid-coital act of assessing a woman's performance, while she is engaged in the cowgirl position.
"I was getting close to busting a nut, but she got pissed off when I topgraded her, and she stormed out."

"My pregnant wife always cries, when I start topgrading her, yet she wants me to be more open with my feelings - and what just started to happen there, didn't FEEL as good as when my girlfriend does it."
by PhiliD May 04, 2013

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The practice of reforming a portion of a memory foam mattress into a shape resembling an orifice in order to fornicate with same. A true topgrading is done to the mattress of another in order to exact some form of revenge (see, eg. "top shelf" or "upper decker" et al.)
"Garret's topgrading session was interrupted by a mirror crashing down from Trisha and Brad's wall. He nonetheless reached climax and decided this had made it all the more satisfying."
by PhiliD May 04, 2013

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The Urban Dictionary Mug

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One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt