Butt-Tard

some kind of retarded butthead

synonymous with asstard

adj.
butt-tarded

younger sibling: I gonna put my booger on you
older sibling: ugh! don't be such a butt-tard.

person1: I can't get this bag of chips open, tsk man, psht...this is butt-tarded.

person2: no, I think you're just butt-tarded.

Butt-Tard by finfito January 13, 2009

Tard butt 

The abnormally large back side of a mentally challenged person. This condition is believed to be genetic.

John: Why do all retards have fat asses?
Lexi: It's a condition called Tard butt.

Tard butt by yaheardsound1 December 15, 2014