Cupcakes are the currency of asking for anal sex. If someone offers u a sweet sweet cupcake that looks delicious please decline or bend over because that is what they are really asking for.
honey would you like a cupcake? I really want to give my cupcake to you. By the way is you ever bring me cupcakes im reverse cupcaking your ass.
A cupcake is a Action were you reach down into your ass dig for some mud and get it nicely "cupped" into your hand then the person finds a victim and gives them a nice cupcake.
A cupcake can also be when you fart into your hand and "cup" up to unsuspecting friend