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A person who insecently steals or bums gum off of people because they are too lazy to go out and spend 35 cents to have their own.
"She's such a gum bummer. She got a piece of gum from me every day this week. What's up with that? She should go get her own."
by Lydia Suzanne May 17, 2007

Words related to gum bummer

gum bum gum bumer gum-bumer gumbummer gum-bummer
Someone who always asks you for a piece of gum after seeing you pop a fresh piece.
I had a new pack today but because all these GumBummers I'm already OUT!!!
by JKELLO January 05, 2012