The one man who can deal with everything. The biggest cojones in town. Be careful when asking Jan Willem for help. He will help you. Oh god, he will. He will be on it like a motherfucker. But his brilliance will shatter your own confidence forever. Relentlessly sexy, he could charm the birds out of a tree and the pants out of a nun.

Also, he is probably your real father.
Luke: He told me enough! He told me YOU killed him.
Vader: No, I am your father
Luke: Jan Willem? ben jij dat?
by guacamollen May 16, 2018
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Is the greatest guy around, he is really good in bed since he makes all the girls wet and make them come. For the more, he is a manly bitch... a really populair bitch.
- Who's that cool manly bitch that makes all the girls come?
- That's WILLEM JAN
by Cool mfucker February 25, 2017
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Wiljan is the abbreviation of Willem-Jan. The term Wiljan is most used in ways do describe a failure of some kind.
They tend to have a cryptic sense of humor and never apologizes for anything cause he cannot do anything wrong.
A: "I'm didn't pass my math exam"
B: "You are such a Willem-Jan"
by Mizumeister June 15, 2020
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Probably the best man on earth, if someone calls you a Willem-Jan you're blessed. Respect that person.
Dude you're like a Willem-Jan!
by willemjan7 July 18, 2017
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This is a person who is very different, most of them like black Dicks.
Wtf is Jan-Willem doing??
by gamerstyle000 February 15, 2018
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Best kid around, he has all the girls.
Everybody likes him.
He can get every girl he wants.
I wiss i was a Jan-Willem
by PUSSYDESTROYER!! February 14, 2017
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