To be in a class so boring that you take your non-dominant ( or dominant) hand and reach into your pants pocket and proceed to stimulate your genitals.
Matt: Dude that class was so boring, I just classturbated the whole time.

Nadsack: Me too. Classturbation helps with my tourettes.
by cockjuggling thundercunt March 22, 2009
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To be so bored during a class that you secretly reach your non-dominant ( or dominant) hand into your pant pocket and proceed to stimulate your genitals.
Matt: "Dude that class was so boring, I just classturbated the whole time."

Nadsack: "Me too, classturbation helps with my tourette's."
by Dustin Englhart March 22, 2009
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1) to covertly masturbate in school.

2) a class which teaches you nothing and serves no scholastic goal.
this human sexuality course is pure classturbation, in more ways than one.
by the moody booze July 11, 2008
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(n.)- an individual who masturbates during class

classturbation -(v.)The act of feeling the sudden urge to masturbate purfusely during school hours. Usually the kid in the school that gets his ass kicked on a daily basis, yet still has the dignity to beat his meat the next day.

Billy: "Hey Mike!"
Mike: "What?"
Billy: "Scott Terry (from Boardman, Ohio) beat his meat in Wood Shop, Science and Math all in two school days!"
Mike: "Wow, what a perve, let's go beat his ass."
Billy: "Yeah, damn classturbator!"
by Del Marcos de toro May 18, 2008
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To masturbate while in class.

Especially if you are sweating like a whore in church and screwing your face up as if you are constipated.

See also classturbation.
1. Dude, did you see Bryan classturbate after that biology test?

2. Oh Em Gee, are you classturbating?

3. Did you see that facial expression he made while he classturbated?
by Larry Knickerbockers July 24, 2005
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When you fantasize about classmates while fondling yourself.
"I hear Jason is in to Classturbation."
by Cgtheberzerker August 6, 2015
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When you get a raging erection in class and can't resist.
Taking your boner out of your boxers and moving your thighs side to sidee while yoor penis gets stimulation from the rubbing- classturbate
by classturbator69 September 13, 2012
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