Talking excessively
You were too busy bumping gums to notice the time.
by Mentjm April 27, 2016
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Talking about nothing, talking just to hear yourself. Trash talking with no meaning or value of the conversation.
He was "bumping his gums" at the card table.
by One Light October 26, 2013
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The act of talking to much. Espescially about what one is going to do or has done, but never doing or being about whats talked so much about. Originated in Oakland, CA.
My dead beat baby's daddy don't ever do shit for him. He's just always coming around bumping them gums, but never doing shit!
by Demicci D. Dior-Britt November 1, 2007
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The act of pressing ur gums up against santa clauses shaft and continuously bump the two together
Bro I was so bored,bit at least I had some time to get some good old gum bumping on with my boy santa
by Gum Bumping June 6, 2018
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