Similar to a Gleek, the Tweek is the Twilight version. Geek + Twilight = Tweek
OMG I am sooo excited to go and see the new Twilight movie, I'm such a Tweek!!
by Sazilicious July 2, 2010
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When you can't twerk, so you have to push your buttcheeks up and down to make them look like they are bouncing.
Guy1: Is that girl twerking or what?
Guy2: Naw man she's tweeking...
by Uhhhhhh123 February 4, 2014
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When a girl plays with her Vag for pleasure or to tease men
My hoe girl friend was caught tweekin off at a party, all the guy seen her cookie
by Savoyo August 3, 2008
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Can be a state of paranoia, Have to urge to hurt or kill somebody, Be Extremely mad (sometimes because of drugs or mental ilnesses)
Im going to Tweek on someone very shortly!

by Mike AKA TweeK February 7, 2007
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A mad individual who can cause pain to himself and not give a damn. the spawn of god and satan.

Will act as below:
Runs around fields on cold night, in only his underwear, smoking and screaming "I rape chickens". sleep talks about foursoms, chickens, wanting sausages, and aaarrghffejwfbisduf!!
by Ernie October 15, 2004
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to pinch or flick
I tweeked her nipple and she tweeked my clit with her tongue.
by Junebug January 13, 2004
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To Tweek is to be overly excited about something, or keep talking about it or just plain out being anoyying about that topic.
Jay: Norman! Stop tweeking over them damn books man!

Norman: But man they're so good like in chapter 3- "Blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah"

Jay: DUDE STOP TWEEKIN!
by Definition Queen June 7, 2009
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