Definitions by Alex Gunderson

Guin 

1) n. A penguin, but more specifically, one that has sexual connotations.

2) v. To perform fellatio on a penguin.

3) adj. (guinly) something quin-like or guin-related

That guinly chick is a total whore. GUIN ME! Look at that guin sittin up on that bar.

Guin by Alex Gunderson January 1, 2008