Green’s Dictionary of Slang

farchardet adj.

also farchadat
[Yid. fartschadat, confused; ult. Slavic, chad, smoke, daze]

(US) confused, befuddled.

[US]L. Rosten Joys of Yiddish (1970) 112: Farchadat [...] Dizzy, confused, dopey, ‘punchy.’ ‘That guy walks around all farchadat.’ .
[US] in DARE File.
P. Blauner Slow Motion Riot 334: ‘I told you before not to take that farchadat job’.