mulligan
n. countablen. a second chance to do something after you fail the first time. It comes from the game of golf, where you can sometimes hit a ball again if your first shot was bad.
n. an extra stroke allowed after a poor shot, not counted on the scorecard. By extension, refers to any informal second chance or 'do-over' granted after a mistake or failure.
He missed the first shot, so his friends gave him a mulligan.
The professor decided to give the students a mulligan on the first quiz because the instructions were unclear.
In casual play, a mulligan is often granted on the first tee to ease the pressure of the opening drive, though it remains strictly prohibited in professional tournament conditions.
Commonly used with the verbs 'take' or 'give'.