Definitions by Gabersss

Gerbil 

The opposite of a cougar (Woman who seeks younger guys)
Gerbils seek out older men to date.

College kid: I went to pick up my little sister from her elementary school today and this little girl was flirting and making passes at me...

His friend: I'd watch out for her, she's a gerbil

Gerbil by Gabersss July 6, 2009