to be fucked up, belligerent, blazed, hammered drunk,feelin' good, mcpatkin mackin, sauced, shitty, pussy drunk, high as balls, bombed, wasted, mcshitbasketed up, plastered, stoned, blasted, slaughtered; to be datched is a combination of all those definitions.
Pete: Alex, how drunk were you last night?
Alex: man Pete, I was datched outta my mind.
Pete: How'd you get home man?
Alex: I didn't go home. I woke up to find out that I pissed my pants and slept in a field-so datched.