Buttoxia 

But-tox-ia - adjective

-A usually progressive condition, marked by the extensive growth of the female buttocks, the result of massive calorie intake.

-A chronic or persistent affliction where the female buttocks is larger than that of a member of the human species.
- When either of the two round fleshy parts that form the lower rear area of the female human trunk appear to be that of a hippo

-That woman has the worst case of buttoxia I have ever seen!

-Her front was beautiful, but when she turned around, ass for days!

Buttoxia by Patagonia January 5, 2015

buttoxicated 

The act of becoming intoxicated by staring at a person's ass.

Damn bitch, those jeans got me all buttoxicated!

buttoxicated by PGF March 4, 2007

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!!"

Buttoxin 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.

Buttoxing 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.

buttoxin 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.

Buttoxins by Jack P August 10, 2014

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

Buttoxin by pairofpant January 18, 2010