Squat and square in appearance, this unfriendly and ugly person is famous/hated for boasting, doing it at Tonbridge Castle and getting smashed every night.
Hangs out with Formans and Laphams.
Thesaurus:nm. Traitor, junkie, hobo and scrote.
A- My god! I'm gonna be sick- it's Nissen.

B- Is it a breeze block, is it a vending machine? NO, it's Nissen!
by avenger of the idiots February 12, 2005
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A Big or "Fat" person, who is usaually stupid, ugly, very rude, obnoxious, disgusting and weird.
Man that kid is such a Nissen, no wonder he can't keep a girlfriend.
by MyNameIs... December 14, 2007
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A Physics teacher who doesnt teach at all. He gives you quizes on stuff we dont even go over. He Busts his head open on wooden cabinets and he also grades homework for accuracy when we dont know how to do it. Slit your hand open again nissen. again.
by Deke November 25, 2003
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A man who nuts on men in their sleep.
he is like santa and the easter bonny, every november he cums out, and if you havent put a glass og jizz out for him he will nut in your mouth.
School:
Klaus: why was my mouth so salty this morning?
Asger: did you put jizz out ?
Klaus: no?
Asger: Then Rasmus Nissen nutted in ur mouth
by Nutdog420 September 26, 2022
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On every November Rasmus Nissen cums out to jizz on men. You have set a fresh glass of jizz on ur night stand or he will jizz in ur mouth, He is like Santa or The easter bonny.

School:
Klaus: why was my mouth so salty this morning?
Asger: did you set a fresh glass of jizz on ur night stand?
Klaus: no why?
Asger: Then Rasmus Nissen came in ur mouth

Klaus: nooooo
Ohh no i forgot to put jizz out for Rasmus Nissen
by Nutdog420 September 26, 2022
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A large animal like pig, elephant, cow and hippo. Randi Nissen is the biggest thing in the world and nothing in the world will ever get bigger than her
Omg run Randi Nissen is comming we are all gonna die
by Big Dick Rotte far June 13, 2017
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