A. someone who continuously sticks needles into their skin: medically and heroinically.

B. someone who allows experiments on themselves.
"That guy must be a human petri dish, son of a bitch has moss growing on his face."
by SnargleFargle December 04, 2011
a person who is always sick and spreads their germs where ever they are.
Alan is such a human petri dish. He always has a cold and sneezes all over the place.
by kajoe August 19, 2008

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×