Top Definition
A reinforced toilet seat for fat/chunky people. Commonly found in trailer parks.
Damn, Aunt Bessie I didn't know you had a dumper-bumper!
by the dumper-bumper bandit February 25, 2009
Someone who enjoys giving anal sex. Can be a straight male, who likes pounding a hot chic's ass, or a gay male.
Good thing I'm a dumper bumper because my girlfriend is a real ass slut.
by Dumper Bumper February 20, 2011
To act, or be a queerosexual and or act like the gay, fudge packer Tom Cruise.
In prison don't drop your soap because you could get sexually assaulted by a dumper bumper.
by Michael Boner November 11, 2010
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