1.To get so drunk that you are past the point of rat arsed, and begin to resemble a rat. ie. sniffing around on the floor, and lieing on the floor.
2.Exclamation of desire to have a good night.
1.Woah did you see Sam last night?
Yeh he was totally rat faced wasn't he!
2.I am going to get so rat faced tonight!!
Very drunk. When you are both rat-arsed and shitfaced at the same time. The term also describes the effect of extreme drunkeness on a person's face, whereby they screw up their features and expose their front teeth.
Let's get ratfaced!
Excessively drunk, hammered, sloshed, shit-faced, tanked, blitzed, bombed, wrecked, three sheets to the wind, drunkened, loose, tipsy, defcon 1, well-done, trashed, jagged up, Irish, canned, smashed, fucked-up, intoxicated, inebriated, aniahalated, laced, (etc.)
I was ratfaced last night and blacked out around midnight.
Being so drunk, that your face appears to have rat like features
Miles: buds im so fukin drunk I can barely see
Sean: Thats beacause your fuckin rat-faced buds
A human who has rodent-like features such as a prominent overbite and/or long teeth, small chin and small close-set eyes.
Eva Longoria and Sarah Michelle Gellar are classic examples of rodent-like or rat faced people.