When two women engage in female lesbian sex. Bumpings clit on clit. In simpler terms, two girls rubbing pussy on pussy.
"Omg girl, Lindsey and Andrea are totally bumping raisins"
Dumping a girl/boy to move up to a higher girl/boy therefore climbing up the dating ladder. Dumping someone unfavorable to bump to a hotter and better alternative.
"Hey man, what happened to you going out with Alison?"
"Right now in dating Emily. I just dump and bumped that shank."
To do it up the bum. Aka anal sex.
P1: "Yo bro I totally hooked up with dat chick last night."
P2: "Awe man, you bump a rump?"
P1: "Straight up."
Taking someone else's mobile off a charger and replacing it with your own.
Man, my phone is flat and someone charge bump (ed) me when I left in on the charger.
Bumps often found on the back of a black persons neck, usually after shaving.
"Yo Man! look at the size of those nigger bumps on that niggers neck"!
It's another name to pussy and boobs.
I'm not letting anyone I know see me chuffs and bumps, if I get naked.
Pushing up the Thumbs up rating of your definition on Urban Dictionary. Done to put your definition at the top above others.
Hey Look! I definition bumped my way to the top!