3 definition by Urs V

Top Definition
When you accidentally give oral sex to someone with poor genital hygiene.
Luke: Shit man, you don't look so good!
Cornelius: I just had a green onion cake...
by Urs V August 02, 2008

Mug icon
Buy a green onion cake mug!
A girl who pretends to have her period so that she doesn't have to have sex.
Doug: Jenn is so hot!
Ian: Don't waste your time, she's just a can of ketchup.
by Urs V August 02, 2008

Mug icon
Buy a can of ketchup mug!
a person (normally female) with poor genital hygiene.
Chelsea forgot to wash her vag for 6 days, and she turned into a green onion.
by Urs V August 02, 2008

Mug icon
Buy a green onion mug!