(euphemistic) job in the nightlife / sex industry

(Internet slang, humorous, pun) Christmas Eve, as a night of sexual activity between young couples

(collective, literally) a thousand nights / (archaic, figuratively, collective) lots of nights; an innumerable number of nights

a female given name

兀:

木屑: / 忽: one hundred-thousandth / 笏: / 骨: remains, ashes; knack

北: north

past tense form of きる / past tense form of くる

肝: liver, courage

着手: a dresser: someone who puts on clothing / 来手: someone who comes (to do something)