To briefly remove or tap one's hat as a gesture of greeting, deference, or respect. / (idiomatic) To acknowledge or show respect; to honor.

(idiomatic) Enjoying oneself immensely, or more than ever before.

(idiomatic) To the best of one's knowledge, as far as someone knows about the topic, subject, aspect, or situation.

(idiomatic) As a result of one's own actions, especially with reference to death by suicide.

(idiomatic) Alternative form of the jig is up [for one].

(originally US, gambling) A gaming machine having a long arm-like handle at one side that a player pulls down to make reels spin; the player wins money or tokens when certain combinations of symbols line up on these reels.

(idiomatic) Good and important enough for one to spend time, effort, or money on.

(idiomatic) Some period of time, such as a term of employment or a lifetime, is coming to an end.

(informal, often imperative, idiomatic) To refrain from or to stop talking; to be quiet; shut up.

To refrain from criticism.