Someone who goes around sniffing stranger's letterboxes or bodily parts hoping to get a whiff of pheromones and/or sex.
This is often followed by a lewd or suggestive proposition and often results in violence and/or arrest.
See also crotchsniffer, sexpest and peeping tom
"What's wrong with Jo tonight?"
"She's rampant, sniffing out anything she can."
"Geez, what a letterbox sniffer"
Someone who farts while bathing and bites the bubbles
That freaktard is a real biffer sniffer
An impatient motorist driving dangerously close to the rear of your vehicle in a bullish attempt to convey their annoyance at your adherence to the speed limit.
So I was driving home last night and this absolute BOOT SNIFFER was snout deep in my number plate!
Someone who sniffs cocaine because cocaine = money
An individual of the male gender whom uses tactics such as cash, swag, or a gigantic cock to try and score with a quilter.
Dude... that Anthony is such a quilt sniffer!
A person who sniffs Mexican Cocain
Ruby is a Mexican sniffer
The act of someone named Zoe sniffing someone butt (someone usually named haven)
“That girl named Zoe at our school is a butt sniffer and her bfs name is even haven.” “ do you know what that means” “ no what” “ that she sniffs his butt like the human catipiller when they are alone” “ no way that’s cool I wish my name was zoe”