Boston Creme Cake Share definition Flag When you ejaculate into someone's shit-stained ass after they had recently shit Jessica: I heard John gave Kaity a Boston Creme Cake last night. Tammy: OMG thats so nasty! Boston Creme Cake by RockyTalky August 17, 2021 0 0 Get merch Get the Boston Creme Cake mug. Buy Now — $32.95 See more merch