(idiomatic) To not commit to a decision, to keep various options available.

(idiomatic, humorous, dated) To get a haircut.

Alternative form of feather one's nest

Alternative form of have one's cake and eat it too

If you fail you will not be given a second chance.

(idiomatic) Something non-existent; something of no value or cost.

(baseball) To hit a fair ball so well that the ball flies over all of the spectators' seats and lands outside the stadium. / (idiomatic, by extension) To produce a spectacular achievement.

To express an emotion, belief, or stance overtly and make it an important part of one's public life.

(idiomatic) To be empowered to choose whatever job, financial arrangement, or course of action one desires.

(idiomatic) Alternative spelling of mind one's p's and q's