Top Definition
The act of sneaking behind a corner and lying in wait for one's wife or girlfriend to turn her back and let her guard down, whereupon the subject springs out from behind cover, immediately places himself behind the female, and pounds her ass viciously.

This is best executed while both parties are fully clothed, so as to illustrate that the erstwhile-performed stealth hump is not a attempt at sexual gratification, but rather an act of degradation, humiliation, and objectification.
Paula had her back turned while brushing her teeth, so I jumped out from behind the shower curtain and stealth humped her until she choked on a mouthful of toothpaste.
by senorguitarra May 25, 2011

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