the opposite of a cougar. A young woman, usually under twenty, who dates older men because she feels that she needs to be taken care of, or for some alternative reason such as money or to feel important. Without an older man, a gerbil feels small, vulnerable and weak.
That girl is such a gerbil! He is five years older than she is.
by cutechef101 April 14, 2009
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The opposite of Cougar, i.e. a young woman who hits on older men.
The two girls over there? They're gerbils. They hit on men like Cougars, but instead they are much younger by comparison.
by matthiascz April 12, 2009
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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 6, 2009
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A scrawny girl with a very spastic personality. Usually with the rodent like habits of scurrying away from objects/people, stealing and hiding food from others so she can eat it later, and biting others upon being irritated.
Some common physically characteristics include: Small body, short height, hair coloring similar to that of the rodent, fast metabolism, sharper than average teeth and nails.
Prone to excessive biting.
Gets upset when name is misspelled.
"See that girl? Yea, she's such a Gerbil. No, no, seriously! She f*cking bit me yesterday!"
by Minxii January 12, 2009
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To be sexually violated by enlarged gerbicular sex organs.
Damn that rodent just gerbiled my ass.
by Briz June 16, 2005
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A very young girl, usually 12 or younger. The opposite of a Cougar. Made famous by the 4/11/09 episode of SNL.
Geoff: Dude, those gerbils over there are totally checking you out!

Greg: Gross dude. Why are they letting gerbils in bars now?
by Grampa Farts Pants April 12, 2009
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The opposite of a Cougar, usually extremly underage in the situation, but extremly hot.
Two guys in a bar, a really young underage girl walks in.

Guy 1: Dude, check her out!!
Guy 2: Woah, she is... really young...
Guy 1: No duh, she is a major gerbil!!
by Oakieman May 25, 2009
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