To be interrupted in the moment of intercourse. This interruption ruins the moment. Similar to the cock block, but during sex.
Guy 1 - "Dude, not only did her friend unsuccessfully try to cock block me all night, when I finally put it in her I got a phone call from my mom."
Guy 2 - "Man, your mom hump trumped you!"
A dance in which you select a target, then dry hump them while smacking them violently with whatever appendage seems appropriate, at whatever degree you wish. A violent, and completely platonic dance.
Michelle is so bomb, I hump-smacked her last night.
Hump-leg, hump-legged (Adjective)
1. The feeling in your legs that you get after a really good fucking and orgasm, characterized by difficulty walking immediaetly afterwards and stumbling as you make your way towards the restroom.
2. The difficult act of walking right after sex, due to the lower extremities feeling very relaxed and wobbly from having a sexual workout and intense orgasm.
"My orgasm felt so good after banging her I had 'hump-leg' for about five minutes and found it difficult to walk straight"