1 definition by ATotalFaq

A man who seeks out other men (sometimes women's) underwear to sniff or bury their face in. Often found in gyms and pools, the ultimate goal of an underwear sniffer is to find unwashed underwear, so they can breath in the smell of a stranger's dick and ass.
I can't find my briefs after gym class until I came across our underwear sniffer coach taking a deep breath from them in his office.
I let him keep them.
by ATotalFaq October 23, 2022
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