When two bro's (usually frat boys) reach between their legs to give bumps. Bibye bumps are usually reserved for saying farewell to your most intimate of bros. Bibye bumps can be done back to back, front to front, or back to front.
by Norwegian Mike February 5, 2009

Person 1: Hey man, just got 28 followers on twitter in the last hour
Person 2: ah dude, thats a sweet follower bump
Person 3: i got 3 new followers in the last day on twitter
Person 1: pahahahaha
Person 2: yo, still a follower bump cos he hardly have any followers in the first place
Person 2: ah dude, thats a sweet follower bump
Person 3: i got 3 new followers in the last day on twitter
Person 1: pahahahaha
Person 2: yo, still a follower bump cos he hardly have any followers in the first place
by the kid, the one May 17, 2010

by Bacondawg December 4, 2017

When a manager goes to another club in the same league and takes them higher than his previous club. Tony Pulis has done this at every club he has managed the latest being for Crystal Palace, why it is known as the Pulis Bump
by B2B January 29, 2014

Hey Tommy later after we snort some crack. Do you want to try bumping castles? Yes Mark! But only if I can dock your hard cock! (see docking)
by Big Pantie Slayer August 6, 2012

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."
"Right now in dating Emily. I just dump and bumped that shank."
by wotah January 8, 2015

When two women engage in female lesbian sex. Bumpings clit on clit. In simpler terms, two girls rubbing pussy on pussy.
by LesbianLoverLKAH May 13, 2017
