Vag Cake Share definition Flag 1. A very great vagina. 2.someone that is being a loser usually follows the word sandy 1. Dude, i cant wait to have Lauren's Vag cake. 2. Stop being such a sandy vag cake and so play some call of duty Vag Cake by Chaotic43 August 27, 2008 0 0 Get merch Get the Vag Cake mug. Buy Now — $32.95 See more merch