1) the act of masturbating when in a hurry

2) masturbation under time-restrictions
my parents were coming home soon so I had to fasturbate
by Chris "KMoney" Mason November 29, 2005
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To conciously make a descision to not masturbate for a set period of time for religious reasons.
1) Bob fasturbated the week before his trip to Costa Rica for fear that God would down his plane if he didn't.
2) Oh, it's good Friday? I better fasturbate.
by mirror-noir September 28, 2009
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the act of pleasuring oneself quickly so that they can get off before their roommates come back.
"Dude, why are you so sweaty?"

"While you were in the bathroom, I felt the need to fasturbate."
by CasimirdaGreat October 29, 2012
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When a male, who is sharing a room with another male, decides to pleasure himself quickly, despite the possiblity of his roommate walking in.
Chris- Ever since I startes college, I haven't been able to masturbate. I wish I didn't have a roommate.

John- Just do what I do, and fasturbate!
by Half-a-Minute Man December 12, 2013
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When a young man takes a break from jerking off. Fasting like a jewish person during Yom Kippur, a fasturbation may take a few days a week or to a more experienced fasturbator up to a month.
Guy 1: dude im sorry ive been so short tempered lately, i've just been in a fasturbation contest with my dad.

Guy 2: its ok man, i understand fasturbation can be one of the most difficult things ever.

Guy 1: it truly is...
by UncleNorton45 July 24, 2011
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When you masturbate really hard to send yourself to sleep.
When you masturbate really hard because you hear a noise from the building you're in but have to finish.
I heard the keys in the door so I fasturbated
by Eboracum December 3, 2014
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