If the river runs red take the dirt track instead Share definition Flag If one's girlfriend is on a period one should stick one's cock up her ass instead When a man fucks his lady up the ass because she is on her periods to avoid a bloodstained cock If the river runs red take the dirt track instead by Bob March 26, 2005 0 0 Get merch Get the If the river runs red take the dirt track instead mug. Buy Now — $32.95 See more merch