Chuck Taylor titties
When the tan line on a woman's breasts is well defined and goes horizontally across them, resembling the white tips of a Chuck Taylor Converse sneakers.
Guy 1: Did you see the tan lines on the chick who just flashed everyone?
Guy 2: Yeah those were the whitest Chuck Taylor titties I've ever seen.
Guy 2: Yeah those were the whitest Chuck Taylor titties I've ever seen.