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1.
When you are taking a dump in a public bathroom and you here someone walk in and you either sniff or cough so the person doesn't walk into your stall and make the rest of dump awkward.
*Person walks in* You: Sniff Sniff Cough Intruder: Oh, you're shitting in here. Thanks for the sniff alert
by DHGTV123 May 03, 2011