Text bumper 

Person in a crowded place who is texting while bumping into people.

1. Hey, Jack - where did you get the black eye?
2. Text bumper
3. Oh.

Text bumper by larrydonovan May 8, 2009

dirty bumper 

When you are racing in the house like you have a tampon in the wrong hole and eyes wide open like the first time you had anal... cause saying "I'm crowning" is the nice version of what is going on at your back door.

Dammit, outta my way (waddling to the bathroom), I have a dirty bumper!

dirty bumper by Regina McSasserson June 9, 2014

Biscuit Bumper 

Lesbian

I think Shaun's sister is a biscuit bumper.

Biscuit Bumper by DanejerBoozell October 13, 2017

clam bumper

Lesbian

"you two clam bumpers wanna be alone?"

clam bumper by like2watch August 1, 2003

box bumper 

A Lesbian. "Box" being the female sexual apparatus, and since penetration will not "naturally" occur with other lesbians (nothing natural about plastic), "bumping" describes it.

Box bumpers and muff divers like to munch mounds.

box bumper by Wine Me March 15, 2011

Bellis-bumper 

noun. Used mainly throughout northern Pennsylvania to define someone who is homosexual and does not admit it. This person may find an outlet for his sexual tension with a "Bellis" (note, a Bellis is extremely jealous)

"There's no way Brody likes girls! He's the biggest Bellis-bumper in school!"

Bellis-bumper by Matt Curway March 18, 2007

Plumper Bumper 

One who bumps up on plump bitches. Ie: Enjoys the fat stack.

Victor enjoys the qualities of his Plumper Bumper on the back end of his whale.

Plumper Bumper by Grewvey1 October 2, 2008