tit stain 

the moist line a fat girl gets between her gut and tits when she sweats. this usually occurs on a hot day. extremely noticable when a bigger girl wears a smaller shirt.

dang...you know its hot out when the big'ns have tit stains.

tit stain by heatmat August 30, 2006

Tit Stains

The presence of perspiration soaking through one's shirt located under a fat man's breasts, much like that which occurs in the arm pit.

In a hot college basketball stadium:

Student 1: Whoa look at that guy's pit stains.
Student 2: Dude those aren't pit stains, they're tit stains.

Tit Stains by D.Swan December 21, 2008

Titstain 

Such as a nipple is generally a different color than that of one’s skin, it may be referred to as a “titstain”

Did you see the size of that persons titstains?

or
I really like pierced titstains

Titstain by Vidiuz July 29, 2019

titstain 

Someone who really sucks sausages. He walks around thinking hes Jesus but hes really just an idiot.

John is such a titstain. I hate that retard.

titstain by Gary Busey November 18, 2004