Green’s Dictionary of Slang

farkakte adj.

also facacta
[synon. Yid.]

(US) unpleasant, disgusting.

[US](con. 1964–8) J. Ellroy Cold Six Thousand 251: Those farkakte goyim jailers don’t know from good nova lox.
[US]Mad mag. Sept. 41: Facacta people who believe that are all meshugga goyim.