Sexual intercourse involving the penis and the nostrils
“Cmon babe, let’s do a Sniffy”
Someone who is obsessed with the stench of a sweaty man
"Let me smell your armpits"
"gosh no, you are such a sniffy whore"
Man 1: Ayo wanna Hit the sniffy
Man 2: Nah, I gotta go out later
Someone who has just gone on a vegan diet and as a result has smelly elbows from all the vegetable cutting he/she has done.
‘See that guy? Yeah heard he’s become a sniffy elbow these days’