Butt sputter 

When your dump is on the cusp of your sphinct and your baloon knot begins sputtering out small moist farts in rapid succession until you have the chance to release your brown baby.

Jim: Dude we need to pullover!

Steve: Why?

Jim: That second cup of coffee this morning has my butt sputtering.

Butt sputter by WillyCV December 23, 2014

Sputter Butt 

A temporary condition suffered while defecating that follows a bad case of diarrhea; typically characterized by explosive flatulance accompanied by the release of particulated fecal matter and the remaining contents of one's intestinal lining.

Dude, I had sputter butt for two days after eating that bad sushi!

Sputter Butt by Cheddar Poof December 27, 2011

Butt shutters 

Also known as butt cheeks.

Man, look at the butt shutters on that female. God damn!

Butt shutters by Shutterman February 7, 2017

Smutter-butt 

Noun one who is Extremely Promiscuous, Very slutty, a hoe.

Yo that chick from last night was a straight smutter-butt

Smutter-butt by JayDHam March 2, 2008

slutter butt

otherwise known as butt slut a new twist to an old favorite......ahhhh what college can do for a vocabulary

"hey slutter butt"

no one notices as a result of the obvious creativity

slutter butt by kt April 7, 2005