(formal) Used as a polite introduction on first meeting another person. / Available for assisting you or for you to use.

(informal, Australia) pardon; could you repeat that?

(informal) The expert one does or should turn to.

Used other than figuratively or idiomatically: see your, man. / (Ireland) That man, the man in question.

his nibs in the second person

Alternative form of on your marks

(humble, archaic, chiefly in Bible translations) I, me (when addressing two or more people)

(archaic) Used as a greeting, especially to a lady. / (archaic) Used as a closing of a personal letter.

(idiomatic, colloquial) Used to express the speaker's skepticism about another's preceding statement about a desired or assumed state of affairs.

(formal) A title of respect used when addressing heads of state other than monarchs, heads of government, governors, ambassadors, certain ecclesiastics, royalty, and others holding equivalent rank.