Top definition
Awesome, cool, epic, the emperor of awesomeness.
dude, look what an awesome thing that guy did! he can only be a Jesper.
by Jinky24 June 08, 2011
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Apr 2 Word of the Day
Music so good it could elicit sexual arousal.
The new We Came As Romans albums is chock full of bonerjams.
by lpvitus October 28, 2009
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2
A guy who never does what he says he is going to do and always comes up with an excuse the day after for why he didn't.
"MAN, that guy hasn't gone out to the club with us the last 100 times we asked him!"
"There's a reason he's called Jesper"
by exsmasher April 06, 2018
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3
jesp·er

-noun

1. a professional fool or clown, especially on an internet forum.

jesp·er

-verb (without object)

1. to talk idly, irrationally, excessively, or foolishly; chatter or prattle.

jesp·er

-verb (with object)

1. foolish, meaningless, or incoherent speechon a subject; prattle.
This guy is a jesper so just ignore him.

(Guy is a fool and has no clue what he is talking about.)

This guy really jespered the thread.

The guy ruined the thread by writing down stupid things.
by CP_SB September 03, 2010
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He's a sweet and loving guy who is always there when you need him. His smile lightens up your spirits in the darkest times, and his laugh makes you want to laugh. Whenever your sad he will try to cheer you up with emotional support while giving solutions to your problem. He can also be very childish and bubbly when with friends and is smiling almost all the time, causing others to smile too. He will also share your interests in any way he can, just to make you happy in some cases. Jesper is a wonderful trustworthy friend, sweet kind hearted person who cares for others, and always thinks of others. Jesper is an amazing person, everyone should have a friend called Jesper.
William: Hey Courtney, what do you think of Jesper?
Courtney: He is and amazing guy !! And really happy we're friends.
William: Yeah you're right
by OtakuGaal October 30, 2017
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5
An orgasm which occurs during yawning. (derived from the swedish word 'gäsp' (pronounced 'jessp') meaning yawn)
Some weird people in the world have jespers.
by Jesus Montana March 30, 2003
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A Synonym of cool, awesome, wild, or crazy.
Dude, the party is going to be so jesper.
by joe1897 January 11, 2010
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