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Abbreviation of Down Syndrome. Often used to label an extemely ugly chick or an extremely stupid boy.
Rob: Shittttt. Check that girl's got dynners.
Mike: Yeah man double dynners!
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Steve: Dude. Is 4+5 the same as 5+4?
Gary: What the fuck man? You got Dynners?
by originalhomeboy August 05, 2008
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