when a girl has boobs that are so big, they fill out the bra and then some. the extra is like the top of a cupcake with the bottom filled out already.
by josh nj July 1, 2009
Kyle: Hey man, I got head from that asian chick, and I didn't even have to pay the bitch!
Ryan: Sweet cupcake tits!
Ryan: Sweet cupcake tits!
by Kyle Hougland December 20, 2005