Top Definition
an acronym for girls who typically end up having their past boyfriends discover they are gay. Named after the infamous Claire; ctug stands for "Claire turns you gay" This acronym can be used interchangeably with nouns. (Pronounced See-tug)
Brad is the latest ctug victim.

Rob is at risk for catching ctug.
by Purplecowstudios August 25, 2007
5 Words related to ctug

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