To speak of something you know nothing about. To spread rumors, gossip, or speculate without all of the facts. See also (Trash Talking) (gossiping). (hating)
by JVRAS August 6, 2011
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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
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She and that dude been bumpin' gums over at the likker store.
by irehs February 18, 2009
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Chopin it up. Discussin' a lil sumpin sumpin.
Me and her were bumpin' gums bout dat new ride dat boy got.
by TXNinSingapore February 18, 2009
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A conversation with no substance or general meaning
Elaine: i bet there talking about me

Kramer: oh please there just bumpin gums
by Just water April 16, 2022
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