Buttflake 

A motor vehicle driver that, when turning left, does not enter the nearest correct lane.

Stupid buttflake! Now I can't change lanes!

Buttflake by #1Fanilow November 13, 2006

buttflake 

the stuff underneath ur fingernails after u scrath ur ass; also used as a term like butthead, an insult much as nubcake

Ace, you are a buttflake.

buttflake by Toad October 25, 2004

Buttfucker3000 

An idiot who logs into a Zoom court hearing or important with a totally inappropriate screen name which angers the judge or the person leading the meeting.

Your name's not Buttfucker3000, you yo-ho.

Buttfucker3000 by Storm Sexxwatt May 13, 2021

ButtFuckery 

ButtFuckery means bullshit

wow that's some grade A buttfuckery right there, what a load of wank

ButtFuckery by Pimp McLovin' July 2, 2015

buttface miscreant 

best insult in the whole world
from, gilmore girls

rory: oh no wait, i thought of some, jerk, ass, arrogant, inconsiderate, mindless, frat-boy, low-life, BUTTFACE MISCREANT
logan: buttface miscreant..!?

buttface miscreant by team jess January 9, 2022

Buttfuckery 

The idea or suspicion that someone may but attempting to screw you over.

I'm not really sure what Tom is up to, but I sense some intense buttfuckery at work here!

Buttfuckery by Orion79 July 3, 2011

Buttfae 

A class of fairy originating from the anus or lower intestinal region.

Commonly used as a pejorative.

"You're a buttfae!"
"The first buttfae were discovered by Baltimore City Sewage Treatment Engineers in the summer of 1994. Since then, seven different species of this rectal fairy have been discovered."

Buttfae by Treatment Engineer August 20, 2008