A sexual act where a female ties knots in one of her thigh high stockings about an inch and a half apart and pushes them into a man's rectum while having sex. Just at the moment of orgasm, she pulls the knotted stocking out causing the man to have an intense orgasm.
Dude 1: What did you like most about your trip?
Dude 2: I liked getting a knot job from the hot local hookers.
by gr8-fun January 17, 2016
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A knot-job is a sexual act where one guy ties knots in a length of rope and pushes them up the asshole of another dude and then begins jacking him off. When the guy is reaching the point of no return, he pulls them out one by one -- as each knot pops out, the guy spurts a shot of an historic rope-gasm.
Oh Wow! Matt just gave me an awesome knot-job!
by USAF Cadet January 14, 2021
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