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, 2011
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when one masturbates so impeccably well that he has a fantastic and accomplished feeling afterwards; when he can look back on that day as a day that was worth living. If one has these feelings, he deserves an award, for he has just fantasturbated.
After a long and depressing day at work, the man came home and felt the need to fantasturbate. After he did, he went to sleep quite satisfied.
by mrgatorademan April 18, 2010
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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 12, 2011
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