wait for Godot

can't wait

To eagerly anticipate; to find it hard to wait for a forthcoming pleasurable event.

hurry up and wait

To hurry to complete a task or arrive at a destination by a specified time, only for nothing to happen, due to other requirements that have yet to be satisfied.

wait around

To spend an especially lengthy period of time inactively, while expecting the arrival of someone or while anticipating some other event, often impatiently and often without a satisfactory outcome.

wait for it

Used to draw attention to and build suspense, often ironically, for a remark to come.

wait for the ball to drop

To wait in expectation of an occurrence.

wait for the dust to settle

To let a situation calm down, become clear or certain, before taking any action.

wait for the other shoe to drop

To defer action or decision until another matter is finished or resolved.

wait in the wings

To be about to become important or central.