To be high and see something that is not not present.
I was driving around I started tweeking , I thought I seen someone on the road
by URBAN HOODS January 19, 2015

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to be overly excited at a situation or event that is highly positive and causes exuberance beyond classification of excitement.
Scott won a vacation to Hawaii, a place he always wanted to go, causing him to call his friends and tweek.
by BT14 July 29, 2007

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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 03, 2014

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to send a tweet in Greek
Hey did you see Matt's tweek? What did it mean?

Yeah, he told Amy how awesome the flaming cheese was in Greek... I google translated it.
by greektweeker January 31, 2011

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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 02, 2010

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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 07, 2009

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The biggest fag within a group of friends, generally shaky and uncomfortable.
God, josh, what a tweek.
by Jack Daniel Smirnoff March 24, 2011

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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