reverse hump 

You hump, he/she/it antihumps in the opposide direction, resulting in a net loss of humpage.

Reverse humping: "I just picture you running around with your hips thrust forward, shooting a railing around like when you put opposing magnets next to eachother."

reverse hump by Bill Dridges May 29, 2008

Reverse Hump 

While spooning, the little spoon thrusts backwards causing a reverse hump.

"Hey, you were humping me in your sleep"
"No, you were reverse humping me pretending I was humping you"

Reverse Hump by Bruce Bane April 12, 2016

Reverse Indian Hump 

When your at a basement party and the seemingly harmless Indian girl aggressively pins your drunken body against the wall and starts thrusting her buttocks into your crotch. While her friends circle around you, chanting ceremonial cries in their native tongue.

“Dude I was so blackout I got the reverse Indian hump last night.”

“You’ve gotta come see this. John is getting the reverse Indian hump, he’s gotta be blackout!”

Reverse Indian Hump by Uhhhhdaboi April 28, 2022

Baby reverse rhino hump 

The act of humping a girl with your knee, ever so slightly, when making out so that it gives her pleasure. Mostly used by couples who want to stay virgins.. for some reason or another.

Bryant: "Why do you have a hole in the crotch of your jeans?"
Jamison:"Oh because Robbie was baby reverse rhino humping me last night. We both have purity rings, so its gonna have to due."

Baby reverse rhino hump by JamieandRobie June 9, 2011

Reverse Humpty Dumpty 

A Reverse Humpty Dumpty is a man whose head is shaped like that of an egg and who also has very little or no hair on their head BUT they are rocking a rather thick beard.

Have you seen how he looks? He's totally a Reverse Humpty Dumpty!

Reverse Humpty Dumpty by XxOwOxX July 25, 2022

reverse donkey humping

When a male and female shove dildos into their rectums back to back while the male has anal sex with an animal such as a donkey

Hey jan I heard you and Tom were reverse donkey humping at old man Harrison's farm.

reverse donkey humping by Twisted fear December 3, 2013