(idiomatic) Back to the start, as after a dead end or failure.

(idiomatic, often followed by on) To carry out a trick or deception; to behave contrary to expectations.

(idiomatic) To make no progress despite making an effort; to get nowhere.

(slang) Crazy; insane.

(idiomatic) A person's general appearance, manner, or style.

Do not discharge a weapon. Used originally for weapons needing a spark or lighting of a fuse to ignite gunpowder; now sometimes used to mean any weapon launching a projectile.

To refrain from criticism.

Alternative form of caught with one's pants down

(idiomatic) The limit of one’s patience, when one is so frustrated or annoyed that one can no longer cope. / (idiomatic) The point at which one has run out of options or the ability to delay.

(idiomatic) To attempt a skill, craft, trade, or action, possibly for the first time.