human petri dish

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 October 18, 2008

Human Petri Dish

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 4, 2011