Scro Pei Share definition Flag The excessive amount of skin of the scrotum causing a wrinkling effect similar to that of a Shar Pei. Dude.. i went for a swim.. and when i got out i had a mad scro pei. Scro Pei by MohammedMudSlaP February 14, 2008 0 0 Get merch Get the Scro Pei mug. Buy Now — $32.95 See more merch