a word used to describe anger in an argument ; the incredibly intelligent use of Fuck and Ass to imply how stupid or idiotic someone is acting.
Casiaa : Dude Stop Acting Slow!
Vashaud : In The Thunder an Raaiinnn!!
Casiaa : FUCKASS <3
by LOWEnDDD March 22, 2013
Term used to describe the ass of someone who clearly spends a lot of time on their back. The effect produced from being incessantly pounded flat.
Boy 1: Holy shit, look at that wide flat ass.
Boy 2: Yeah dude, she totally has a fuck ass.
by onyourmarkgetsetgo March 31, 2011
An adjective used in place of "Badass". Usually used when drunk or when grammer is otherwise scrambled.
Jo: Duuuuude!
Gang: What?
Jo: That was SOOO fuckass!
Gang: Haha, hell YEAH it was! It kicked serious ass!
by Luitenant Payne August 21, 2009
used most commonly by 'derro australians' and popularised by rodney rude; fuck ass is used to emphasise and describe something that is small. the phrase 'fuck ass' is usually used in association with the words small, little, tiny etc but can effectively be used on its own in a sentence.
"man what the fuck, i ordered a burger not a fuck ass little dinner roll"

person 1: dude that fall was pretty bad you alright?
person 2: yeah im fine, just got a fuck ass cut on my arm.
by kevin yeah April 15, 2007
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