Green’s Dictionary of Slang

clobbered adj.

[fig. use of clobber v.2 (1)]

drunk.

[US]New Yorker 29 Sept. 27: The game is also tough on [...] those who are, to use a word presently popular with the younger drinking set, clobbered [W&F].
[US]L.P. Boone ‘Gator Sl.’ AS XXXIV:2 156: They may later be [...] clobbered, in the bag, completely gone, or even flaked out; or they have tied one on.