the horrible act of inserting a live gerbil into one's anus for sexual pleasure.
Sandra: "What would u like to do tonight, bob?"
Bob: How's about some gerbilization?"
Sandra: "O.k."
by myob December 16, 2004
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The opposite of a cougar. A young girl seeking an older man.
I swung by to pick up my kid at middle school today, when this smokin' gerbil gave me her number!
by jmhunter April 12, 2009
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The opposite of a cougar. So a younger girl who is into older guys.
"Wow, that guy is HOT!!" - 18 year old girl.
"What?! That guy is like 50!!" - 18 year old girl's friend.
"I know I love older guys. I'm a total gerbil" - 18 year old girl.
by MissGeorge June 11, 2009
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A small furry animal belonging to the order Rodentia which have no agend whatsoever. one minute its sleepin. the next its humpin a water bottle.
My gerbil is crazy. It's humps everything!
by gunslingergirlvy_c_e June 27, 2005
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1. n. A small rodent that has been domesticated and is now widely found in the classrooms of elementary school-aged children.

2. n. A young girl who likes older men. These girls will woo the men with their large eyes and pouty faces. Opposite of a cougar. The man dating this girl could be known as a dingo.
1. Jenna's 2nd grade class just got a gerbil name Mr. Snuggles.
2. DAYUM. That gurl be a gerbil all the way holmes!
by ISABEAST April 13, 2009
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The opposite of a cougar. First defined on SNL.
Woman(24 years old) to Man(45 year old): "Wanna go to my place?"

Man to Woman: " Gerbil?" :)
by Stingray547 June 07, 2009
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An underage girl who flirts or actively hunts for older partners for either meaningless sexual relationships or meaningful relationships. The opposite of Cougar.
Don't even look at her, she is a Gerbil and dating her would be illegal.
by alexiam April 11, 2009
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