Frisbee Tits
Breasts that are round yet flat, so much so, you could rip them off a woman's, and in some rare cases a man's, chest and fling them in the air like a frisbee.
Person 1: Yo, you see that chick over there?
Person 2: Yeah, Yoana S?
Person 1: Yup. She's got some frisbee tits. Don't mess with those.
Person 2: Yeah, Yoana S?
Person 1: Yup. She's got some frisbee tits. Don't mess with those.