Buttoxin

When a person releases a particulary nasty smelling fart into the room.

a fart which is released from the buttocks, which could be described as being toxic.

hence the name buttoxin.

Butt + toxin/toxic = buttoxin.

Jim: *loud fart*

Jenny: "eugh, that smells disgusting!"

Jack: "that's toxic man."

Jim: "that's a true buttoxin!"

Jenny: "so nincompadrae!!"

by ClareyMcfarey :) March 2, 2010

Buttoxing

The act of putting ones bare butt against someone when they are not expecting it.

Yo dude i was totally daydreaming and then before i knew it he was buttoxing me.

by buttoxmaster4 December 11, 2011

buttoxin

The substance or stain left in ones underwear when a fart is mixed with diarrhea.

The buttoxin in your underwear just won't come out.

by Roland Warren October 30, 2006

Buttoxins

Toxic gas, liquid or solid from someone's buttocks.

I could smell someone's buttoxins in the elevator.

by Jack P August 10, 2014

Buttox

The fancy British way coined to make the term"ass" much less offensive.

When the old British people got angry at how people kept using the word ass a lot, they ruined the word and changed it to Buttox.

by gartscrapper1 January 16, 2012

Butox injection

A terrible Botox job resulting in a less than pleasant result.

"Wow did you get Butox injections, cause your face looks like arse"

by NicoMcSteamer March 2, 2009

Buttoxin

A nasty fart or hella shit

Ah, that fart was Buttoxic

Damn, that Buttoxin is gonna kill some one

Caution, bathroom closed due to a spill of Buttoxin

by pairofpant January 18, 2010