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1.
(n) A skinny, smart, annoying kid with a love for science, polka, and cheeeese! Named after a character (Steve Urkel) in the Sitcom Family Matters, played by Jaleel White.
Get out of my house, Urkel!
by keyshaw May 03, 2004
 
2.
teven Quincy Urkel, generally known as Steve Urkel or simply Urkel, is a fictional character on the ABC/CBS sitcom Family Matters, portrayed by Jaleel White. Urkel is known for his wild antics, silly costume and the "Urkel dance".

Steve had many catchphrases and running gags, several of which were phased out in later seasons. "Did I do that?" is the most popular catchphrase; usually uttered after Steve caused one of his famous messes. Steve would also say, "At least no one got hurt", after a major accident occurred, after which someone else would usually shout "Not yet!" and chase Steve. Other catchprases include:
"Got any cheese?"
"I'm wearin' you down baby. I'M WEARIN' YOU DOWWWN!!" and "You love me, don't you?" said when Laura showed the slightest interest in Steve
"Look what you did!", when someone caused a mess or accident in front of him, though frequently the accident was indirectly caused by Steve. (For example, by his insisting that someone push the button to something, or by his knocking that person down.)
"I don't have to take this! I'm going home!" when Carl was mad at Steve for something and demanded Steve go home.
Me: "Dude did you see that episode of Family matters when Urkel blew up the whole city?"

Friend: "Yeah that was fucked"
by MetalEdge April 29, 2011
 
3.
For something to be uncool or lame.
"Man, I can't believe you did that. That shit was urkel."

"That was the urkelist shit ever!"
by AntiochR July 14, 2005
 
4.
Awesome in a weird way.
dude! you're lookin' pretty urkel today!
by Urkel my wife! September 30, 2012
 
5.
to have a wet dream
shit i just urkeled all over my bed
by Bob July 16, 2003