Unterbutt 

The lower region of the buttocks that become visible in certain more revealing clothing.

Her unterbutt looked just amazing in those cut-off jeans!

Unterbutt by ApricotFields June 14, 2020

interbuttz 

The global communication network that allows almost all compooterbuttz worldwide to connect and exchange information.

I hate a slow interbuttz!

interbuttz by mirfatna October 27, 2009

interbutts 

n., a series of tubes

I'm looking at UD on the interbutts!

interbutts by J-Neeners February 1, 2009

Undercutter 

Someone who tries to steal your business by offering the same service/product for less money.

Javi Rox: Yo, I got these cheeseburgers! I sell them to you for a dollar!
Jay Nyce: I got those same cheesburgers for 50 cent!
Javi Rox: I hate that motherfuckin undercutter.

Undercutter by Domexicano March 17, 2005

underbutt 

The distinct area off the bottom that is at the lower part of the gluteus maximus. Usually the underbutt is highly regarded in terms of attractiveness. Often the underbutt is discovered at the beach when womens bikinis do not cover the whole area of the bottom.

Amy has an excellent underbutt

underbutt by bicbiq December 28, 2008

underbuttoned 

when a man leaves too many buttons undone so chest hair is sticking out

alberto: what do you think, am i under buttoned?
rosita: you could make a wig with all the chest hair i can see - when not wearing a tie, two buttons or more is underbuttoned

underbuttoned by desmian March 21, 2022

interbutt 

1. n. Kind of like the internet, but more retarded.

2. proper n. A name by which to call friends, especially on the interbutt and particularly when addressing them.

1. "There's some hilarious shit on that interbutt."

2. "Hey thar interbutt."

interbutt by E. Roswell's J00 July 27, 2006