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.
someone who keeps random pictures forever, but knows the details and location of every single one
Richard Head is such a pic rat, he posted a pic
of me online
from 15 years ago that ruined my reputation.