Top definition
A coffee addicteed nine year old from South Park. He has Blonde messy hair, and is known for twitching, screaming, and shaking. Mostly hangs out with Craig Tucker and Clyde Donovan. Few people know that he is gay for Craig Tucker.
Tweek Tweak is the sexyist character on South Park.
by TweekIsFuckinSexy May 16, 2011
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