1 definition by Hamster man

the hamster version of masturbation
even though they are actually cleaning themselves, it looks more like they are pleasing themselves
Bruno: Hey man, what in the world is your hamster doing?
Alfie: Oh, don't worry about it, he's just hamsterbating.
Bruno: Gross man, you need to get him a woman!
by Hamster man November 11, 2006
Get the hamsterbating mug.