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Slang. Drunk or intoxicated.
I was so muckled I blacked-out last night.
by Ed March 26, 2005
Drunk, to be completely obliterated, toasted, ripped, bettied, bombed, rickied.
Tim was completely muckled last night behind the bar. He had a few too many muckle sodas with Shamus.
by muckledrjones October 23, 2008