Letting someone know that you are extremely high (on Weed) without have to say more then one word. (because your so high that talking is an effort)
by Louberry December 6, 2007

the victim of a drive by shooting
by G-U-N October 11, 2004

Dude1: wow you guys are talking and carrying on like your all bumped up.
Dude2: yeah we scored an 8 ball at the bar and we've been doing bumps all afternoon
Dude1: You two are good at making piss poor decisions
Dude2: yeah we scored an 8 ball at the bar and we've been doing bumps all afternoon
Dude1: You two are good at making piss poor decisions
by Cheetoman69er June 4, 2017

Bro I was so bored,bit at least I had some time to get some good old gum bumping on with my boy santa
by Gum Bumping June 13, 2018

by The Return of Light Joker June 10, 2010

The act of having his and her danger zones touch one another in a highly sexual erotic manner.
i.e: do the dirty, jump one anothers bones, intercourse, sandwich dancing, sexual friction, ect.
i.e: do the dirty, jump one anothers bones, intercourse, sandwich dancing, sexual friction, ect.
The other night, Harriot and I were bumping dirties real nice, when mother and father walked in. Family dinner will never be the same.
It was a dark cold night, the heat went out, and to keep things hot, mother and father decided to bump dirties. Nine months later came the consequence, ME.
It was a dark cold night, the heat went out, and to keep things hot, mother and father decided to bump dirties. Nine months later came the consequence, ME.
by Danielle A. & Kelly C. December 15, 2008

by Ooook March 11, 2017
