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when a person performing oral sex on another from behind puts their nose in the anus
Hey hon you got some "stuff" on your nose were clearly sniffing my biscuit.

Bro Bro you were all up in that sniffing her biscuit and what not.

Man your a dam biscuit sniffer!

Hey, Hey I jumped on that and got so in to it I started sniffing the biscuit.
by 12345678910123456789 November 19, 2011
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