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.
When a male has some sweet titties on him
Hell yeah Lukey has got some Phat man titties
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!"