Cockgarage Share definition Flag 1) Slang term for Vagina. 2) any orifice one might use to park his cock. I made her pussy my Cockgarage last night until I shot my "Mushroom Cloud" on her "Double Stuffed Oreo's" Cockgarage by Jeff D April 21, 2003 0 0 Get merch Get the Cockgarage mug. Buy Now — $32.95 See more merch