british cupcake Share definition Flag the act of putting a frostingless cupcake in ones asshole, pulling it out and letting a british person eat it. the british man was so stupid for not knowing that the horny girl gave him a british cupcake ... british cupcake by barrett adams March 15, 2010 0 0 Get merch Get the british cupcake mug. Buy Now — $32.95 See more merch