push the envelope

opening of an envelope

Any kind of event or activity that may contribute to one's self-promotion or visibility in society.

push against an open door

To do something pointless or unnecessary; to try doing something already done.

push in

To jump the queue, especially in a forceful manner.

push it

To make an extraordinary or risky effort; to behave in a way which tests the limits; to take chances; to expect too much.

push on

To persist, persevere.

push one's luck

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

push one's way

to make one's way by pushing.

push the boat out

To do something, especially spend money, more extravagantly than usual, particularly for a celebration.