To take a picture of a person staring and pointing at a girl's ass, and biting their lower lip. Similar to DAT ASS.
Did you see the picture of Tim rumping that girl?
a relaxed form of humping
I walked into my room to find Sarah and Artie rumping on my bed.
The act of injecting alcoholic liquid into one's own anus or another's for the purpose of intoxication.
"Dude, sorry I didn't call you back, I was rumping pretty hard last night."
"Pass the baster!"
Rumping is similar to Krumping except you use your ghetto booty.
A Southern slang for sex
david was rumping julie last night
Jerking off in a public place.
Pee Wee Herman was arrested for Rumping