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1) To ask someone in a nonchalant manner if they have some shit(meth) for sale.(verb)
2) To tweak on something.(verb)
3) Refering to the state of mind after consuming a substantial amount of high quality METH.(adj)
1)"Oy ya fuckin tweaka are you twack-a-lacking?"

2)I was twack-a-lackin on that earlier.

3)"Damn daw' ya pupils are fuckin huge! Are you twack-a-lacking?"
by P.T Kt Bec October 15, 2006
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