Empress Ci Hei is just a short-name. Her full title is - oh I nearly forgot – "Empress Haau Jam Ci Hei Dyun Jau Hong Ji Ciu Jyu Zong Sing Sau Gung Jam Hin Sung Hei Pui Tin Hing Sing Hin".
Cantonese
大快朵颐
大快朵頤
daai6 faai3 do2 ji4
to pig out; literally: to move one's cheeks when eating happily