Poop Snoot
To smirk, or have the appearance that you have a very important bit of knowledge. To have the look of superiority on your face.
Her 'Poop Snoot' gave away her bluff at her poker hand. His poop snoot showed he was "the cat that ate the canary"
poop shoot snoot
See anus inhaler
Billy is such an poop shoot snoot, always sucking somebodies ass to get ahead.