English Idiom for Heavy Rain! #shorts

The video explains the expression 'chucking it down', which is a colloquial way to describe heavy rain.

What does the phrase 'chucking it down' imply about the weather?

In what context might someone use the expression 'It's absolutely chucking it down'?

How might the phrase 'chucking it down' be interpreted differently in various regions?

What are some synonyms for the expression 'chucking it down'?

Can you describe a situation where you might hear someone say 'It's absolutely chucking it down'?