"Pat on the back" is an idiom that means to praise or congratulate someone for something they have done. It can also mean to express approval or admiration for a job well done.

The idiom "deja vu" means a feeling of familiarity with something that is experienced for the first time or something that has already been experienced, but seems to be happening again as if for the first time.

The idiom "speak up" means to speak out openly or frankly, especially during a meeting or discussion. It is used to encourage someone to share their thoughts or ideas when they are hesitant or reluctant to do so.

The idiom "bang on" is used to describe something that is absolutely correct or spot on. It can also be used to describe a situation that is ideal or perfect, or someone who is very good at what they do.

The idiom "wild and woolly" refers to something that is disorganized, chaotic, or unpredictable. It can also suggest a sense of wildness or untamed nature. In figurative language, the idiom is often used to describe people's personalities or behavior.