G Quock Share definition Flag n. A word used to describe a gay male, or gay couple. Not a derogatory term. the term was fist used in an episode of " how i met your mother". My red boots are totally G Quock approved ! G Quock by Buddyruns December 24, 2010 0 0 Get merch Get the G Quock mug. Buy Now — $32.95 See more merch