What is Tit Spillage?
When a girl with large breasts wears a small bra, thus her tits spill over the top of her bra. also known as muffin top of the breasts.
"Dude, Jess has some major tit spillage goin on"
"woaaaahhhhh..."
See muffin top, tits, boobs, spillage, leakage, jiggle, breasts