Seattle Cheese Steak Share definition Flag A vagina after sexual intercourse where Cheese Whiz has been used as lubricant. We did some experimenting in the bedroom last night and she ended up with a Seattle Cheese Steak Seattle Cheese Steak by bestfuckever April 1, 2011 0 0 Get merch Get the Seattle Cheese Steak mug. Buy Now — $32.95 See more merch