Definitions by Peeyimp85

Tit Dirt 

A sweat stain on the front side of a t-shirt on the chest and stomach area that curiously resembles the head of Mickey Mouse.

Son - "Dad, is that a Mickey Mouse shirt you are wearing?"
Dad - "That's not Mickey Mouse, THATS JUST TIT DIRT!!"
----See Tourettes Guy (youtube)-----

Tit Dirt by Peeyimp85 March 7, 2010