Couch Slug Share definition Flag post coital vaginal and seminal fluid left behind by a naked woman who sits on a couch. “Norah you dirty slut, you left a greasy couch slug on my new futon!” Couch Slug by #1506 November 11, 2012 0 0 Get merch Get the Couch Slug mug. Buy Now — $32.95 See more merch
