1. anyone that participates in rectal raiding
2. anyone that fucks in the backseat of a car
3. watching porn and trying to tell them how to do it
2. anyone that fucks in the backseat of a car
3. watching porn and trying to tell them how to do it
dude! i drove by the movie theater and guess what i saw!! i saw two dudes doin' the backseat hump!! they was backseat humpers!
by crazy cat ladyies May 17, 2011
Get the backseat humpermug.