(idiomatic) A phrase used to get someone's attention before announcing something.

The name of something the speaker does not want to mention, but which is known, or very likely to be known, to the listener. It can be plural (as in "... the you-know-whats").

Intensifier. / Euphemistic shortening of "fuck you and the horse you rode in on"

(idiomatic) Used to wish someone luck with a difficult endeavor.

(idiomatic) Do not concern yourself with it; it is none of your business.

(idiomatic, informal) Used to positively assert the frank honesty of an associated statement of set of statements; equivalent to "to you tell the truth".

A polite expression used when the speaker is first introduced to someone.

Alternative form of back at you

(now formal) What is your opinion? What do you say?

(UK, Ireland, colloquial, US, obsolete) Expressing mock despair at somebody's outrageous behaviour.