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1 definition by Gabersss

 
1.
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
by Gabersss July 06, 2009