From Wiktionary, the free dictionary
drunk as an owl (not comparable)
- (simile) Thoroughly drunk.
- drunk as a cunt, drunk as a fiddler, drunk as a fiddler's bitch, drunk as a lord, drunk as a piper, drunk as a skunk, drunk as a sow, drunk as a wheelbarrow, drunk as Chloe, drunk as David's sow, full as a goog, pissed as a fart, pissed as a newt, tight as a tick; see also Thesaurus:drunk