do-over button

noun
UK /ˈduːˌəʊvə ˈbʌtn/
US /ˈduːˌoʊvər ˈbʌtn/

A do-over button is a pretend button you press to start something again.

When I made a mistake in my drawing, I wished I had a do-over button.


OTHER MEANINGS

2. A feature in a game or app that lets you replay a level or action.

The game has a do-over button so you can try the level again.

3. A chance to redo something you did badly the first time.

The teacher gave us a do-over button on the quiz by letting us retake it.

4. A humorous way to say you want to forget a mistake and start fresh.

Can we hit the do-over button on this whole morning?