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Being so high, that you literally have developed an acute form of autism for the duration of the high.
She had smoked so much weed she had reachd Autistic High. She starting meowing and laughing uncontrollably with no idea as to what was causing the laughter.
by CrazytacoseatKz October 08, 2010
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Getting so high that ones state of intelligence plummets below the level of that of an autistic male/female.
Yo, Nick was talking about how blind people never know what they look like when they get dressed!

Yeah, he was autistic high!
by psujew1 February 28, 2017
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