To indicate falsehoods.
Originiated from detecting (smelling) lies (crap) from a distance.
Cletus "My momma says movin' back home!"
Ralph "Sounds like poop sniff."
by Serious Dan April 25, 2008
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An insult for someone who is acting stupid or weird, or a name for someone that has wickedly smelling farts or poop
Yo dude, ryan just left a massive turd in the toilet, he’s such a poop sniff
by Poopsniff300 November 18, 2019
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