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1. A person who lies a lot; a person who is bad at lying but lies anyways 2. Wasp
"I didn't lie, I'm not a jesper" " he lied to me about helping his mother with shopping, when he really went to hang out w his friends, he's such a jesper"
Jesper by evillittlewhore September 14, 2021
A nasty married teacher who tries to flirt with his old students trough an anonymous mailaccount.
I got an inappropriate email from mr Johnson today he is such a Jesper!
Jesper by pars savcı November 20, 2021
Jesper is a stupid ass bitch who likes to pop girls cherries and drop them right after. Jesper is the biggest qwackass to walk this earth and looks like a goofy ass carpenter. He only follows girls on instagram cause that’s how fkn shallow this douche bag of a human is and the guy will literally stick his dick in anything with a pulse. Jesper resembles franklin from treehouse cause he’s that damn fugly. The kid has an ass smoother then a baby’s ass for god sake. Jesper will make you wanna kill yourself because of how dry he is he’s dryer then your grandmas pussy. If your dating a Jesper break up with him, he’ll cheat on you!!!
“Jespers a piece of shit scum bag

“Jesper fucks anything that’s alive”
Jesper by yolo2242 September 13, 2020
A bloke with crooked teeth
Ew look at him he looks like he got hit in the teeth with a swing, such a jesper
Jesper by Road man in a van June 3, 2019
A typical danish male name, meaning 'the patriot'

Occasionally used by immigrants to insult their immigrant friends when they are being way too danish(integrated)
-Hey Jesper, how's your mom doing?

-You know Ali? he's such a Jesper!
Jesper by Jesper Andersen December 14, 2008
Sexy boi that girls like even more then anton !
Please Jesper make me cum!
Jesper by andsmash December 11, 2016