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When your IQ lowers due to an encounter with an individual who is low in intelligence, also can be referred to as "second hand autism".
"God I think I got second hand retardation after talking to that dumbass!"

"Dude I saw you talking to Rawny, be careful! You may get secind hand retardation after conversing with that vegetable!"

"I think I fell victim to second hand retardation I can feel my brain cells killing themselves!"
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