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"
“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”
If you are called this, it’s over. You already lost the argument. You can’t insult them anymore because they insulted you so badly that there is not point to go on. Just let it go
A sexual act were the male separates the womens ass checks and forcefully crams his nose all the way in and repeatedly blows his nose and shakes his head back and forth then repeats the same act with his tongue.