After-the-fact rationalization of sexual behavior by a woman, to avoid cognitive dissonance.
After Jenny got drunk and banged her boss at the Christmas party, she justified it to herself with the hamsterism, "I'm not a slut--he tricked me into it!"
by Col. Tigh November 9, 2013
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Southern Jail term referring to ignorant, hip-hop, ghetto gangsta mentality.
I think that hamster just stole your ride!
by Julio DelVasquez May 22, 2008
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An adult female hockey player who likes to play exclusively on men’s teams. Usually the “Hamster” creates a lot of issues with the other players’ wives and she creates awkward locker room scenarios.
Hamster played for us last night, it was the only time Tony kept his fucking mouth shut.

Hamster burrowed her way into the dressing room last game, thought Angelo was going to pitch a tent.

Dude, Matt told his wife that Hamster played last night. My wife was so pissed.
by TBels October 2, 2019
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a younger woman who preys on older men; the opposite of a cougar.
Your sister is a hamster because she's sleeping with a guy 20 years her elder.
by PghFun1 April 15, 2009
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Home And Masturbating Showering Toking Eating Resting
by Sissywashere February 22, 2015
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The act of being busy and spending a lot of time on something, but not getting anything accomplished, just like a hamster exercising on a hamster wheel.
Did you see Frank hamstering up on seventh floor with marketing yesterday? I can't believe the execs aren't on to him. What a hamster.
by Skip Anderson April 11, 2008
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