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A whore, mountain goat, adventurer, explorer, gypsy, wizard, spanish fly and grease monkey all rolled together into a one person.
by jypsyjansen. March 25, 2009
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Term used for having sex in a popular MMORPG known as RuneScape. This sex can be homosexual, heterosexual or even beastly.
Guy 1: I just had a Jansen.
Guy 2: Hmm... Sounds fun.
Guy 1: Why don't we do this right now?!
Guy 2: I'll get my laptop!
Guy 1: I have my Iphone so I can do this 2, 3, 20 times a day!
by Pescados666 October 28, 2007
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An important figure in the progression of RuneScape Cheating. Moderator of several forums and a very respectable fellow.

See RuneCMS
Jansen is awesome, I wish he was gay so I could marry him.
by Lysol! March 30, 2006
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When something is exceptionally remarkable, so much that it drives you to compare it to the the artist Theo Jansen. Theo Jansen created kinetic sculptures. Kinetic sculptures are creations of Jansen's that resemble large animals (rhino or elephant sized) which roam beaches and are powered by the wind. Jansen names his moving animal-like sculptures as if they were new species of living animals. This justifiably likens him to a creator of life, or god, and anything compared to him is effectively very cool.
synonyms: awesome; cool; radical; remarkable; wicked; sick; etc.

antonyms: stupid; dumb; retarded

Uses:

1. i was at the club yesterday and, with respect to your outstanding dance moves, i was like, "your fucking jansen!"

2. this food is great, its fucking jansen.

3. kristina's booty moves faster that a fucking jansen sculpture. She's jansen!

etc
by maparipijapan October 22, 2010
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A lanky gonzo looking character who often fails to show up to work on holidays. Lives his life in an Xbox fantasy world, with or without his ex stepson.
Jansen where are you? "How did you fucks get in my house"
by Crankyanker January 11, 2015
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No matter what this stupid dictonary says, even if it says amazing things about my name, Jansen does not mean whore! Jansen means Gracious, and I know a Jansen and she is and forever will be the farthest from that. To me Jansen means Funny, Athletic, Compassionate, and the by far BEST person you could EVER meet.
Friend 1: Isn't Jansen so nice?!
Friend 2: Totally! She is AWESOME!

Friend 1: I can't believe that she isn't a whore!

Friend 2: Why would you think that?
Friend 1: I read it on Urban Dictonary
Friend 2: Wow...... don't judge a book by it's cover, i'm gonna go hang out with Jansen.
Total JERK for thinking that: Me too
Friend 1: No, your a jerk!
by An_Upset&ProtectiveFriend June 02, 2018
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