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When a chick has sex with a machine instead of a human.

Also see.
sybian, fuck machine, sex-machine
When Brooke gets horny she machine fucks her sybian.
by cardinal_fan October 21, 2004
A person who finds machines more attractive and sexually arousing than most males, females or anything else, human or non-human,that can be classified under etheir sex.
Arcades turn Sara on because she is a Machine Fuck.
by ukilledmyhope April 07, 2006