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A contraction of the words they and not. Usually used by Texans and other southerners.
Hey, did you here they don't do tha-
HOLD UP. Did you just say they don't! That phrase is too big for my feeble mind. Use theyn't instead!
Ok... theyn't do that. Wow! That was easier to say!
by Java2525 June 19, 2017
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