cupcake Share definition Flag A cupcake is referring to someone who praises everything his or her idol does or says no matter what. Mostly doesn't give true opinion. "she's such a cupcake! " "sorry for being cupcakey, but I like all songs in the xxx album" cupcake by theteennet January 28, 2017 0 0 Get merch Get the cupcake mug. Buy Now — $32.95 See more merch