Euphemism relating to masturbation. Generally used when caught red handed and in desperate need of an excuse to avert suspicion.
Did you get caught in your hotel room scratching your knee again?
by Fray3k April 02, 2014
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A term that is used as an excuse for when you’re caught jerking one out. Could also mean jerking off in general.
Guy 1: Hey man we’re you just wanking it?!?!
Guy 2: Nah, just scratching my knee.
Guy 1: Oh, alright, continue scratching your knee then.
by TheRussianHammer March 26, 2018
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