look up any word, like crust punk:
 
3.
talking
She and that dude been bumpin' gums over at the likker store.
by irehs February 17, 2009
 
1.
bumpin gums is talking shit about someone
man i heard you were bumpin gums you need to quit that shit
by brad paul October 15, 2005
 
2.
A blowjob.
She's got that mouth that makes me wanna be bumpin gums if you know what I mean.
by Youredoingitwrong November 14, 2013
 
4.
Chopin it up. Discussin' a lil sumpin sumpin.
Me and her were bumpin' gums bout dat new ride dat boy got.
by TXNinSingapore February 17, 2009