Dumper-Bumper

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 26, 2009

Dumper Bumper

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

bumper dumper

When two cars are parked close enough together that you can rest each a butt cheek on each bumper to take a shit.

Oh man! If i can't find a bathroom i'm going to have to pull a bumper dumper.

by Munchus Maximus December 05, 2013

Dumper bumper

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 12, 2010