Green’s Dictionary of Slang

comfoozled adj.

[used and prob. coined by Charles Dickens (1812–70)]

exhausted, overcome.

[UK]Dickens Pickwick Papers (1999) 523: He’s in a horrid state o’ love; reg’larly comfoozled, and done over with it.
[UK]London Standard 26 May 4/6: Sur, there is a thing that has rather bothered me and my old woman lately [...] it has so comfoozled us we can maje nothing of it.
H.C. Hansborough Second Amendment 53: The kid says that Miss Enid is just plumb comfoozled, whatever that is.