sea-ass Share definition Flag When your ass becomes wrinkly from being in the sea or ocean for too long. Dude, I've got sea-ass from being in the ocean for, like, three hours!Hahaha! No way, that's so funny! sea-ass by Delinquent.Unicorn October 20, 2010 0 0 Get merch Get the sea-ass mug. Buy Now — $32.95 See more merch