What is Petri Dish?
1.
An adjective used to describe a promiscuous person.
That bitch is a petri dish. Better come strapped, if ya know what I mean.
See
2.
The vagina of a girl prone to infections, itches, bacteria, etc.
Yo G, Deb is hot and all but man she's got a petri dish on her ~ she keeps getting crabs!
3.
Chris Rigge
Man my fourth yr looks like petri dish- has bacteria on face
