Cock Snif

The act of smelling a cock to see if it has been up anyone's ass before you suck it and hoping it has.

I Tried to cock snif Ted to make sure he was with his boyhole Bob

cock sniffing

When one male tailgates another male in traffic.
When one male doesn't mind another males personal affairs.

That guy better stop cock sniffing me.

cock sniffing fetish

When a girl or guy wants to sniff your cock to turn them on

“I wanna sniff Aaron’s cock so bad, it turns me on so bad I think I have a cock sniffing fetish”