1. To be so mind-blowingly, ridiculously, shamefully drunk you don't even have the dignity to remove your head from the toilet bowl when your RA walks into the bathroom.
2. When your BAC is higher than your BMI.
Origin: possibly a contraction of barf and fuck.
Dude 1: Oh man, I gave a blowjob to my little sister's goldfish last night! Was I farked?
Dude 2: No way man, you would KNOW if you had been farked! Plus you wouldn't be able to remember anything.