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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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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when one secretly or not so secretly masturbates during class.
Look at that kid he's classturbate in the middle of class
by moneysideofthemoon October 24, 2011
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Classtubator is a student that masturbates in class, Male or Female
Crozier:*masturbating*
Teacher: CROZIER WHAT ARE YOU DOING
Crozier: miss smell my hand!
Tom: MISS HE'S A CLASSTURBATOR
by king classier March 17, 2014
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To masturbate while keeping the pinky finger completely extended
Woah bro, learn some manners when you jack off in public at least learn to classturbate!
by Fuzznutz August 23, 2013
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