Butt-Sniff 

A person who will often partake in the act of sniffing another's anus or sphinctal region. No one is a true butt-sniff unless they truly enjoy the act off butt-sniffage.

Person 1 bends over
Butt-sniff sniffs the rear of person 1 with a satisfied look on their face
Person 2: God you're such a Butt-Sniff

Butt-Sniff by n0ddy96 September 2, 2010

butt-sniff-alicious 

Having the quality of something nasty, but in an oddly humorous way.

"Dude, did you see Sally throw up the other night?"
"I did! It was butt-sniff-alicious!"

butt-sniff-alicious by cowpie52 February 24, 2009

Brazilian Butt Sniff

When you snort a line of coke off a thick Brazilians ass

Man, did you hear James did a Brazilian Butt Sniff at the party last night?

Brazilian Butt Sniff by Jimmy Duncan March 5, 2021

butt sniffer 

A person who sniffs butts.

See poophole sniffer

butt sniffer by Chrissy May 13, 2005

Butt Sniffing 

Slang; when you meet someone new and aren't convinced by the front they're putting on, so you do some digging into their background to try and find dirt on them.

Alice: Hey Bob, what did you think of our date yesterday?

Bob: It was fine. But I Googled your name when I got home and found a mugshot of you. Why did you rob a bank?

Alice: Wtf, quit butt sniffing!

Butt Sniffing by UTMcGee February 26, 2020

Butt Sniffer 

or a Voldemort; Somebody who should not be named. Someone who follows you about and tries to be like you and do what you do. Also related to the term Bum Licker; meaning to suck up to or try and impress you...

Person 1: "omg... You know that guy who follows you about all the time and will never leave you alone?!"

Person 2: "Yeah... he's such a Butt Sniffer... :L"

Butt Sniffer by getoutmylifeplz May 8, 2012

butt sniffing 

The Smelling of an ass

Stop butt sniffing people, man!

butt sniffing by ERIC October 18, 2003