"You can say that again" is an idiomatic expression used to indicate agreement or confirmation of what someone has just said. It expresses the idea that what someone has said is true or accurate, and that it was something that could be repeated without question.

The idiom "zip your lip" means to be quiet or stop talking, especially when someone is asking you to. It can also mean to close one's mouth or to not say anything. The figurative meaning of the idiom is to shut up and not make any unnecessary noise or distractions.

The idiom "alma mater" refers to an alma mater school or university. It is often used as a term of endearment for one's school or university, particularly when referring to its graduates.

The idiom "put the cart before the horse" means to do something in the wrong order or to make a mistake by jumping ahead of what should be done first. It is often used to caution someone against making hasty decisions or taking actions without considering all the necessary information.

The idiom "call bluff" means to challenge someone's statement or action, especially when that person is trying to deceive or manipulate others. It implies that the person who is being challenged knows what they are talking about and is able to prove their point.