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To masturbate. To have a wank. To jerk off. Referring to one's penis as a guitar and giving it a "thrashing" by jerking off.
"Johnny was really thrashing the guitar last night!"
"Hey baby, how about thrashing my guitar!?"
by trappy76 rocks August 13, 2009
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Sep 9 Word of the Day
the thing that you don’t have when you’re phones percentage is over 20
phone: why don’t you go to sleep tommy it’s 2 in the morning?
tommy:why don’t you die you dumbazz
by lik_frls_dis.me February 12, 2020
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