That one tall skinny blonde kid who's good at everything he tries. He is naturally athletic and relatively smart and is extremely nice. He is usually a bit anti social and enjoys alone time on the computer. He is a good looking guy and has no problem attracting women, but he is not very good in bed. He has an insanely tiny penis and usually has trouble penetrating girls, let alone pleasing them.
Oh Keith is really such a cool guy, I was disappointed to see how small his dick was
by Lisatisabisa October 3, 2013
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An annoying waste of time that drives you insane.
Bro stop being such a Keith
by Imah1129 December 24, 2017
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A guy that's self centered and really bad in bed ):
Girl: keith was so bad last night
Friend: no wonder he single
by x_amazing_craig September 12, 2016
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Tall skinny gay guy who sings love songs to his short partner. May also whip off shirt at random intervals. Has terrible tan lines. May be incapable of performing the act of sexual intercourse due to mental challenges.is usually partnered with a short boy of the name "Ryan". has weird hair that has a "wave" in the front. special ability-can change voice from deep to high pitched. not able to shut up or pronounce name more than two syllables correctly. fails at throwing freethrows into the wastepaper basket. ALWAYS misses.
KEITH!!!
shut the fuck up!!!
my name isn't FABAH-HA!!!!
by glowinthedarkmice April 16, 2009
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To say a very lame joke. Can have different forms such as an adjective and a noun as seen in the examples.

Typically, when someone says a very lame joke, the people around accuse the person saying the joke by doing a hand gesture, consisting of a closed hand with the ring finger, middle finger and index finger open and placed over your forehead.

There is a myth claiming that when a person does a Keith (very lame) joke, he or she are killing a Kenyan child.

When the joke is epically lame, or the person doing the lame joke tries to justify themselves but instead make it lamer, they do an epic Keith. The hand gesture is done over the mouth instead of the forehead, and 50 Kenyan children are killed instead of 1.

Nevertheless, this concept brightens the world and human lives. No one typically laughs at a lame joke, but when people do the Keith hand gesture, then the people laugh at the person doing the lame joke.
(Adjective): That was totally a Keith joke.

(Noun): He just did an epic Keith! Hahaha
by TimmyRoger July 23, 2009
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