The embarrassing, nearly unavoidable, dark fabric discoloration caused by underarm perspiration.
I can't wear this shirt to the club tonight, bro! It shows the worst pit puddles when things heat up.
When your stomach is really tore up and the result is the brown remnants left after you stand up from the toilet.
I just blew one out and left fecal spray in the bowl.
5👍 8👎