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A portmanteau of "Pretty" and "idiot". When someone is good looking but dumb as fuck.
Becky: look at Tyler. Damn he's fiiiiine
Heather: he asked me how to spell "orange" last week. He's an idiot.
Becky: but he's so preeeeety
Heather: he's a pretty idiot. A prettidiot, if you will.
Becky: I'd still sit on it tho
Heather: same
by Greeeens November 22, 2015
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