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A kind of hellishly clever and impressively self-sustained individual who leaves people torn between two desires – wanting to punch him in the face and wanting to be him. A Jacek always does exactly as he pleases, following a peculiar code of conduct (one that he makes up as he goes along). Despised and worshipped by many, understood by no one. He is likely to outsmart, outwork and outlive us all.

Jacek is also a popular first name among small, adorable, prickly animals such as hedgehogs and baby porcupines; the latter group tends to outgrow the name.
A naive person: “I thought we were great friends, but I can see that you’re being a proper Jacek about this cheese rolling contest.”

Mrs Hedgehog: “Jacek Jr please stop playing with your feces. It’s unseemly. Wait till your dad gets home and hears about this.”
Jacek by unwilling participant March 26, 2017
Urban Dictionary Merch
a family alcoholic who beats his wife with a hammer and farts his son in the pillow is also a dick magnet
Jacek
Jacek by fw2421q November 21, 2021
the guy who has got it all. the guy who will get it soon or later. catch the dream.
Dont know what to do? call jacek, inc.
jacek by jacek November 4, 2004
A kid who gets mad at his friend Alistair for no reason
Alistair: Hi Jacek how are you
Jacek: fuck off Alistair you aren’t funny
Alistair: wtf did I do
Jacek by Stormrocker March 8, 2023
A kid who gets mad at his friends for no reason
Friend: Hi Jacek how are you
Jacek: fuck off Alistair you aren’t funny
Friend: wtf did I do
Jacek by Stormrocker March 8, 2023

Jacek Blaszynski

The hottest human being on the planet. Sexiest man alive. Thickest man alive. You definitely want to fuck him.
Person 1: MHMMMM I wanna fuck Jacek so bad.
Person 2: Bro same.
Jacek Blaszynski: Come get it then.

Jacek Crashout 

When a big fellow tempts the beast and the beast unleashes his aura with his swift and powerful blow to the big fellow's back. Intentionally placed to increase pain and decrease damage because the beast likes to play with his food.
"Did you see that crazy Jacek crashout yesterday with the big fellow?"
Jacek Crashout by browntarzanpaki February 27, 2025
More from Urban Dictionary

Concrete cowboy 

A guy who thinks he's a country kinda guy, but in reality lives a comfortable city / suburban life.
Eugene: Look at that dude in the cowboy hat!
Todd: He's just a concrete cowboy.
Word of the Day on September 20, 2026
any hard liquor that is cheap & potent.. eg. relska, popov, potters, evan williams, kamchatka, fireball, rumpleminze, southern comfort, everclear
hey let's get a drink of that?

go ahead
*takes drink* ugh wtf is that?

everclear & bepsi
fucking hobo loko eeessshh
hobo loko by d i z k o 2 0 8 September 14, 2026
Word of the Day on September 19, 2026
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