A way to refer to someone with a large butt.
Kara: Wow, you're boyfriend has a huge ass.
Maya: Yeah, my baby's cupcaking ;)
to fart in ones cupped hand
then quikly raise it to your buddies nose.
A nice young lady with double d action.
"Hey cupcake...come on over here with that boob salad and sit on daddy's lap."
when someone cups a fart in their hand and covers someones mouth and nose with that hand so that they have to breath it in.
oh my god rory cupcaked jordan with a stinker.
A high-maintenance woman who generally hates to exercise but in order to try to acquire a party chassis, attends group fitness classes but takes breaks every minute.
When the cupcake showed up 10 minutes late for classes and asked why there were no more weights, Michael showed her to the door, knowing that she would slack off during class anyway because she didn't want to be there.
LT: Are you going to fire Tammy today?
DH(cupcake): No, I'll give her one more chance.
Man-muffin top. A man with excess flab bulging over the sides of his pants, much in the same way a cupcake bulges over its wrapper.
Wow, look at that jogger's cupcake!