Top definition
The uncontrollable grin you get while pushing out a long overdue log. Mostly attributed to the euphoric feeling of being at peace with one's own rectum.
Ryan: why you smiling?

Josh: I'm pooping bro.

Ryan: Oh ok, pretty sweet poop smile you got there by the way.

Josh: thanks man, yours ain't too shabby either.

Ryan: right on! We're two bad mother fuckers!

Other:

Courtney: hey you gotta mirror in your bathroom?

Tonya: yeah why?

Courtney: cause I gotta crap and I like to admire my own poop smile.

Tonya: ill be the poop smile judge in this house. No ones got a prettier one than me!

Courtney: game on bitch!
by Crazy81981 September 19, 2013
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