(idiomatic) Indicating that nothing that could be said would add to or improve the situation.

Used to ask the interlocutor what they would like to order, to buy or have a look at.

Synonym of what's done is done

Used to introduce, or alluding to, an apt adage.

A children's game in which one player takes the role of the wolf and the others repeatedly ask what the time is, taking steps forward accordingly (so "three o'clock" means three steps forward); finally the wolf calls "dinner time!" and chases the other players, a player becoming the wolf for the next round if caught. Alternatively, the last player to be caught becomes the wolf.

The desired outcome may not be as desirable once it has been attained.

(colloquial, humorous) A riposte to someone who has just stated an obvious conclusion.

(dated) whatchamacallit

Used to indicate that someone has authority to make a final decision.

plural of what-d'ye-call-it