look up any word, like ratchet:
 
1.
Intoxicated by licquor. Extremely drunk.
I got absolutely rat arsed last night and tried to shag my neighbours cat...
by Arse Rat February 22, 2003
 
2.
English slang-term meaning drunk. Nothing to do with rats or their arses.
Paula Abdul is always rat-arsed
by Jack Hackett August 20, 2007
 
3.
To be ridiculously drunk
I wana get rat arsed!
I was fuckin' rat arsed last night
by AO'CB May 14, 2008
 
4.
To be so intoxicated the you have to squint to see properly, have no sense of balance, no depth perception, and have almost completely lost the ability to speak.
Dan was so ratarsed that he fell into the bouncer and was thrown out of the premises.
by Mookz_munki August 15, 2006
 
5.
Descriptive noun. Drunk. Describes the ability of the drunkard to shit through the eye of a needle.
I could shit through the eye of a needle, I was that rat-arsed.
by Richie December 11, 2003
 
6.
to be rat arsed means to be under the influence of a large amount of alcohol; to be pissed to fuck
"oh mate i got fuckin rat arsed night?"
"for real?"
"yeah dog"
by tommad86 September 12, 2007
 
7.
Extremely drunk, also used as a substitution for the word 'bothered'.
"Ah got so rat arsed last nigh' ah could barely see mah feet!"

"I'll talk to you before school tomorrow morning if I can be rat-arsed to get up on time."
by Canonboyo April 01, 2013