A light friendly shoulder punch one usually does to a buddy after a sarcastic joke or a snide remark.
Chris: yoo dog what is you wearin? Lmao
Rob: my mom bought me this shirt dawg. Shut up. *buddy bump*
by Buday Brandi October 31, 2018
Get the Buddy bump mug.
When one decides for one reason or another to bump the buddies in their top-8 on Myspace to a lower position.

Most tweens/young teens do this when they are fighting with their friends about boys/and or who's lipgloss color is the cutest.
(girl crying...)
Mom: Hunny what's wrong? Why are you crying??
Daughter: Bobby buddy bumped me for some bitch ass ho from third period!
Mom: Awe, I'm sorry, just kick him in the huevos!

OR

Taisha: That BITCH! (gasping at the computer)
Shanaynay: Guuuuurl what's going on?
Taisha: Latisha buddy bumped me for that piece o' trash shithead that made her do a dirty sanchez!
Shanaynay: She a ho... forget about her!
by Nicki de Cali December 22, 2006
Get the buddy bumped mug.
I'd like you to meet K. She's my bumping buddy.
by Davidornado December 7, 2014
Get the bumping buddy mug.
A group of two or more women who share a close friendship, and who also happen to be pregnant at the same time
I love being bump buddies with Lucy, I can't wait to meet her new son
by Metallicajunkie October 10, 2018
Get the Bump Buddies mug.