To perform a difficult and thankless task.

plural of push-up bra

A brassiere designed to elevate the breasts and enhance the cleavage

(Britain, idiomatic) to do something, especially spend money, more extravagantly than usual, particularly for a celebration.

(idiomatic) To take an excessive risk or to attempt some task unlikely to succeed, especially after having already been unexpectedly lucky.

plural of push-pull amplifier

(idiomatic) To be dead.

(economics) Inflation caused by substantial increases in the cost of goods or services where no suitable alternative is available.

(informal) To do specific things to anger someone (less commonly, sexually arouse or otherwise elicit a strong reaction), especially intentionally or maliciously.

(informal) To take suitable actions, or exert suitable influence on people, to achieve some desired result.