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1.
Jacking off to small desert rodents.
www.realhamster.com
Stop hamsterbating on my cage you whore.
by choad May 08, 2003
 
2.
v: the process of inserting a hamster into your anus and letting him/her journey through the poop chute until finding, and eventually nibbling on the parts that cause an instant ejaculation.
---See Richard Gere
Richard Gere occasionally likes to hamsterbate before going to work
by brenden z. July 21, 2006