Come down in buckets phrase informal
To rain heavily and for an extended period of time.
It came down in buckets as soon as I came home.
The rain came down in buckets, which made us cancel our picnic.
Driving into the forest was very dangerous while it was coming down in buckets.
If the heavens open, it starts to rain heavily.
A heavy rain
A unusually severe or torrential rainfall of rain.
Used to describe a heavy rain or a downpour
To rain heavily and at great length
The verb "come" should be conjugated according to its tense.
A humorous way of saying that what one has said is just what they acknowledge and may not be entirely accurate
Mike: Have you returned from your vacation on the beach? Your skin seems to get tanned.
Jenny: My skin is always dark. That's my story and I'm sticking to it!