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A phrase used to describe a person with social tics and/or awkwardness usually associated with autism or asperger's syndrome.
"That kid seems a little off to me."
"Yeah, totally - I think he's on the spectrum."

"Sheldon Cooper is such a funny character..he's definitely on the spectrum, though. "
by ggthghjr October 19, 2013
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A polite/PC way of calling someone retarded. Often used among friends to degrade one another.
"How many nuggs come in a 6 piece meal?"
"Dude are you on the spectrum?"
by Wolfgang40014 July 06, 2018
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