To be hallucinating, especially under influence of crystal meth or similar narcotics.(adjective)
Simple past tense and past participle of tweak.(verb)
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Use "tweaked" in a sentence
"Figurs had been limited all week due to what he called a tweaked hamstring, but he won't be playing today."
"It would seem that the experience of having one's core illusions tweaked is both mildly titilating and comforting -- confirming how easily the holes in the painted curtain are patched over."
"The Grizzlies again tweaked their starting lineup, reinserting Gasol with Darko Milicic on the front line in hopes of containing the Rockets Scola and Yao."