When the breasts of a woman swell past the size of thicc. They become PHAT, and make great targets for shots from your cum cannon.
Yo that chick had some phat titties. I almost fired off my cum cannon in my pants.
by Cumblaster6900 December 6, 2017
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a pair of boobs that are enormously big, but aren't the kind you would enjoy. Often associated with Pancake Nipples.
"Damn! That girl's got some 'Phat Titties'! Ewww!"
by trixisforkids3 December 19, 2017
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