The idiom "all the rage" means that something is very popular, fashionable, or exciting at the moment. It describes a trend, craze, or sensation that is currently gaining widespread attention and acceptance.

The idiom "jot or tittle" refers to something that is small, insignificant, or of little importance. It can be used to describe a person, an event, or an object that does not have much value or significance.

The idiom "curiosity killed the cat" is a figurative expression that means an innocent person or thing may be harmed because someone has become too curious or inquisitive about it.

"Tit for tat" is an idiomatic expression that means a kind of reciprocal action, where one person does something in response to what the other has done. It implies a sense of fairness and equality in the exchange of actions or behavior between two parties.

The idiom "fall in love" refers to the act of becoming emotionally attached or infatuated with someone to an extreme degree. This can manifest as intense feelings of attraction, affection, and desire for that person.