Gossips and/or person(s) with the inability to mind there own.
Gumbumpers get hurt sometimes from talking to much
by J-Verbal Tha "Werdologist"" March 28, 2005
sombody that just run they mouth & will neva pop off;someone who has a strong talk game but aint bout dat life
scary talk alot of ish
gurl i will punch u in the face
(not really bout 2 do anything)<gum bumper
by s~gutta April 04, 2009

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