Performing the act of sniffing someones ass after they fart. the person who farted leans back and another person insterts there nose in the farters crack. prefered position while giving sniferoo is reversed cattle.
Nik pulled off a reversed cattle and i did a snifferoo.
by blake yo November 21, 2005
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A snifferoo is a slient but super stinker fart that causes people to go "sniff, sniff", and then exclaim "OOOuuuueewwh!"
The boss blew a snifferoo in the staff meeting and chuckled watching everyone give each other stinkeye.
by Yogi swiffer November 09, 2015
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