Deposting you semen in a girls belly button.

An adjective used to describe a promiscuous person.

When a woman's been with so many partners you dont know what she's got.

The vagina of a girl prone to infections, itches, bacteria, etc.

A very useful peice of scientific equipment but also an EPIC way to bamboozle friends and even enemys.
To call someone a petri dish is like calling sombody a douche bad or an idiot.

Chris Rigge petri dish

a person who is always sick and spreads their germs where ever they are.