When one heterosexual man (Man A) runs up behind another (Man B) , jumps, pushes of the Man B's shoulders, and humps the Man B as high up on his back as possible. This is usually done to show Man A's dominance over Man B, or to make Man B subservient.
Rob: Dammit Steve! Quit Man Humping me! It's annoying as hell!
Steve: Maybe I would if you weren't such a little bitch.
Steve: Maybe I would if you weren't such a little bitch.
by Nicky Nick and The Funky Bunch October 18, 2009

Body language taken to the extreme. A gesture used during conversation to give positive feedback in an ambiguously sexual manner.
The movement consists of thrusting your hips into the hand of your conversation partner and slightly/slowly rotating, usually paired with eye contact and a smile.
The movement consists of thrusting your hips into the hand of your conversation partner and slightly/slowly rotating, usually paired with eye contact and a smile.
Mike: "man I was just talking to this girl and she was really into me"
Dave: "how could you tell?"
Mike: "Because we were talkin and she kept thrusting her crotch into my hand"
Dave: "Oh no man, thats just the hand hump. She does that to every guy when she's drunk"
Mike: "Brutal!"
Dave: "how could you tell?"
Mike: "Because we were talkin and she kept thrusting her crotch into my hand"
Dave: "Oh no man, thats just the hand hump. She does that to every guy when she's drunk"
Mike: "Brutal!"
by Caterpillar Crew June 8, 2009

a. Pretending to have sex with someone with clothes on
b. Some thing you may do with ur bed when you are really in the mood
b. Some thing you may do with ur bed when you are really in the mood
a. Me and my boyfriend dry hump all the time because im not ready to go full action
b. Last night i dry humped my bed to avoid wetness
b. Last night i dry humped my bed to avoid wetness
by Disque September 13, 2005

by Jdeenukes February 4, 2009

The action of taking a dump and humping it repeatedly for satifaction. This is a form of masturbation
Clint was vey satified after he dump-a-humped for several hours
Guy 1:"Dude have you ever tried dump-a-humping?"
Guy 2:"No how do you do it?"
Guy 1:"You take a dump then you hump it till you cumm inside of it and you feel satisfied!"
Guy 1:"Dude have you ever tried dump-a-humping?"
Guy 2:"No how do you do it?"
Guy 1:"You take a dump then you hump it till you cumm inside of it and you feel satisfied!"
by DRJizzGoodandChefSam March 29, 2009

by max is cooooooooool October 19, 2006

An extremely large and fat mons pubis. The rounded mass of fatty tissue lying over the joint of the pubic bones and the puss.
by Eaton Holgoode January 25, 2018
