Face musicians make during an intense jam session; as if a plate of shit is being held up to their face.
Carter was sportin' a mean shit sniffer face during his drum solo last night.

Todd's got shit sniffer face so bad, it looks like he's dealing with diarrhea.
by Whammy Sami May 8, 2006
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someone who looks like they smell fart all the time.rude , snoty,
so you smell some thing? you just look like that.,your a sniffer face.
by trinity gutierrez April 13, 2006
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