(idiomatic) Used as an excuse for drinking alcoholic beverages outside of customary hours.

Alternative form of four-o'clock

plural of four o'clock flower

Alternative form of four-o'clock

plural of four-o'clock flower

(theater) A showstopping song that occurs late in the second act of a two-act musical, often signifying a moment of revelation or change of heart of a lead character.

plural of 11 o'clock number

(UK, simile, slang, obsolete) Very quickly or vigorously.

(informal) In a state of indecision or hesitancy.

(informal) After a numeral, denotes a time of around the start of that hour.