Shiner mout Share definition Flag A girl who's mouth would be perfect to give a blowjob. ''rass clart man, gyal dem got a shiner mout, seen?'' .. ''she has a shiner mout bruv, check it'' Shiner mout by Percy bruv January 18, 2009 0 0 Get merch Get the Shiner mout mug. Buy Now — $32.95 See more merch