a meth user who is really proud of him or herself and thinks no one can tell they're high and acts animated. they know everything.
"You better let squeek fix the lawnmower or he'll go twackstar on you."
by Crys Crystopherson January 31, 2009
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A tweeker that is on a good one, or a tweeker that is spun way out geeking thru anything and everything
Hey did you see Rusty last night? Ya he's a fucking twackstar for sure.
by Scooter1666 January 26, 2022
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