Top Definition
GTDs are ALWAYS mistaken for stds.u see along time ago a ginger named errogk fucked an ape therefore developing GTD's.they changed it to stds in the 1200's because king arthur slept with a ginger and banned the the 1990s it was discovered and brought back by south park
wow kelsi gave u a GTD (ginger transmitted Disease)
by xdfmkldfgbl[ February 23, 2011

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