Kach-Ugh
Data on Kach-Ugh dialect
Kach-Ugh was an obscure dialect of Klingonese.
In 2259, Ensign Nyota Uhura identified several Klingon members of the Broken Circle on Cajitar IV as speaking Kach-Ugh, and adjusted the universal translator to compensate. (SNW: "The Broken Circle")