A person who is either closeted or does not yet know they are gay. Called a thumper because they are in the closet and banging on the door to get out.
Bill is such a thumper! If you listen closely, you can hear the hinges rattling on his closet door.
by triple_lizard September 07, 2006
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From the bay area circa 1999. Made from the sound of a gun, later goes on to be slang term for a gun.
Keep my finger on my thumper, twist wigs back, head crack. ~E40
by Wolf February 16, 2005
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A pistol, pref. something that is a semi-auto
Niggas started gettin HYPHY so i let my thumper go to work,---- Blah, blah---- left his ass wet, made his Peacoat look like a fish net
by Will tha Thrill 5900 December 09, 2005
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A very large ass. Comparing it to the ass of a rabbit off the movie Bambi.... Thumper.
Damn look at that bitch rite there, that bitch got a thumper.
by Snoeflyke February 19, 2010
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A custom motorcycle sporting a large single cylinder engine.
I just bobbed my Suzuki S40, Now it's a cool little thumper!
by hhhmmaann June 19, 2010
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