Diving the red sea Share definition Flag Diving the red sea is when you go down on a girl while she is on her period. That is all! My god, been left jam-faced after diving the red sea with my girlfriend last night. Diving the red sea by mandudno2 August 17, 2011 0 0 Get merch Get the Diving the red sea mug. Buy Now — $32.95 See more merch