scupper stabber
"Scupper stabber" - Slang for a gay man. A scupper is traditionally defined as an opening on the deck of a boat to allow runoff during heavy rains or large waves. Sometimes used to refer to similar drainage for a building.
"Dude, I was in a bar in Boston, when unbeknownst to me, a gay pride parade started marching by...when I walked out I surrounded by 1000's of friggin' scupper stabbers."