What are some idioms related to body parts?

There are several idioms related to body parts. Here are a few examples:

1. Break a leg: This idiom is commonly used to wish someone good luck, especially before a performance or presentation.

2. Keep an eye on: This idiom means to watch or monitor something closely.

3. Cost an arm and a leg: This idiom is used to describe something that is very expensive.

4. Get cold feet: This idiom means to suddenly become nervous or hesitant about something.

5. Put your foot in your mouth: This idiom refers to saying something inappropriate or embarrassing.

6. Head over heels: This idiom means to be deeply in love or infatuated with someone.

7. All ears: This idiom means to be fully attentive and ready to listen.

8. Pull someone's leg: This idiom means to tease or joke with someone in a playful manner.

9. Keep your fingers crossed: This idiom is used to express hope or good luck for a particular outcome.

10. Give someone a hand: This idiom means to help or assist someone.

These are just a few examples of idioms related to body parts. There are many more idioms that use body parts to convey different meanings and expressions.