Sometimes My Sphincter Needs a Cheerleader

Construction worker #1: The only time I know you're not talking is when you're smoking or pooping.
Construction worker #2: How do you know I'm not talking when I'm pooping?

http://feeds.feedburner.com/~r/overheardinminneapolis/~3/371364146/sometimes-you-have-to-talk-yourself-through-it.html

Overheard by: heard you in the porta-potty