It's chucking it down.

Meaning

It's raining very heavily .

Examples

• John: 'I forgot my umbrella!'<br>
• Alice: 'Oh no, <b>it's chucking it down</b>. You'll be soaked!'
• John: 'Yeah, <b>it's chucking it down</b> all day.'
• Alice: 'The roads are flooded.'<br>