Green’s Dictionary of Slang

liquefied adj.

drunk.

1942		Berrey & Van den Bark Amer. Thes. Sl.
1946		E. Wilson Pikes Peek or Bust 91: Monte Proser, big boss of the Copacabana, got liquefied in his own club one night (one night! What am I talking about?) .
1987		Eble Campus Sl. Oct.
1993		Bold and Beautiful [CBS-TV] So you went out and got liquefied, like an idiot! [HDAS].