bumsniff 

Someone who sniffs bums, an insult

look at you, you little bumsniff

bumsniff by Lloydy May 13, 2005

Bumsniff 

Sniffing something with one's anus. Place the anus over somebodys face and clench the muscles of the bottom,, the opposite of a fart, thus bumsniffing.

Michael always wanted to bumsniff Merlo, so when the chance came, he bumsniffed him then he had a tashwank to celebrate.

Bumsniff by Pervy P April 28, 2009

Bumshifter 

Originating from Lougborough its childish term only to be used as a last resort when having a slanging match, its sheer stupidity will leave your opponent unable to think of a suitable comeback

'You... bumshifter!'

Bumshifter by RedSole March 16, 2009

bumsnicker 

Gas expelled during intense laughter.

The head chef's laughter could be heard in the back, accompanied by the occasional bumsnicker.

bumsnicker by copperclip September 21, 2009

Bumsniffer

If you are really promising yourself not to swear/curse; the word Bumsniffer comes out of your mouth.

Also, if you have noticed sniffing bums really isn't pleasent. So People will also take it in as a hurtful response. Just like fuckyou, or bitchplease. IT's all the same. Bumsniffe is just the nicest form to put it in :)

You can also say it randomly. Try it, It's fun.

"YOU FU..BUMSNIFFER!"

Person 1 : "Hey ______, you look like a douche today"
Person 2 : "Shut up Bumsniffer"

Random Person 1 : "....Bumsniffer"

Bumsniffer by Tamer Tman Mistro December 10, 2011

bumsniff 

A more polite word used instead of an expleetive.

"Oh bumsniff, i crashed my spitfire again"

bumsniff by YaZoR May 8, 2003

Bumsniff 

The sniffing of someone's large wide dusty bumhole full of shit which makes you a bumsniff

Your a pure bumsniff you what a wrongun

Bumsniff by Big zan January 3, 2021