jesper

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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jesper

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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jesper

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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jesper

when somebody has a very big dick, 20-30 inches.
girl : that guy is a jesper
another girl : agreed pal (thumbs up emoji x 4)
by ksoåskfiosjf April 25, 2020
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jesper

To bite your pimp steak in a way that makes it squirt out of the end of the bun and fall on the ground, usually done when drunk.
Eric totally jespered his pimp steak last night, but he ate it anyway.

The cream cheese on the pimp steak left a skeet stain on his black shirt.
by comet tavern May 03, 2009
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Jesper

Jesper is a name carried by the biggest and strongest guy in the universe. His muscles are so big that he can't even walk through a door. Jespers are the smartest people on the planet, Albert Einsteins full name was actually Albert Jesper Einstein. The massive penises possessed by Jespers put fear into his mates and love into the girls. A normal Jesper usually has 10 girlfriends.
Damn is your name Jesper? Because those are the biggest muscles I have ever seen.
by taibwo921 December 12, 2016
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Jesper

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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