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When you have a masturbation session that is extremley good.
When I jacked off in that rubber glove it was the best fantasturbation ever.
by gretarambo December 27, 2010
1) Fantasy-oriented masturbation

2) Your personal masturbation fantasy

3) Masturbating using more than one Fanta (Singular: Fantaturbation)
1) "That Unicorn pornography really helped my Fantasturbation!"

2) "My personal Fantasturbation is doing a celebrity while eating candy."

3) "Who drank my Fanta? There's only one left! How am I supposed to Fantasturbate now?"
by carsonistb January 11, 2011