Tin triple chin is a very fat lady that has an extreme amount of chins and if you don't evacuate the area soon it may be too late.
by Pussy d3vourer March 19, 2016
When you bite down on a girls clit and she quickly looks down in pain and you look up to see her triple chin.
"Did you hear why Collin and Skylar broke up? Apparently he gave her a Louisiana triple chin and she was pretty mad".
by Meme Sauce June 23, 2017