cupcake fuck Share definition Flag when u want to fuck some one/thing really badly and you get so desprate u get a cupcake and have sex with it. "hey alex did you get laid last night?" ALEX:"nah not really i just had a good cupcake fuck" cupcake fuck by uwillbedestroyed November 25, 2007 0 0 Get merch Get the cupcake fuck mug. Buy Now — $32.95 See more merch