Meaning of clabber up | Babel Free

Definitions

1. To become sour or curdled
   intransitive
2. To turn sour; to become unpleasant
   figuratively, intransitive
3. To look (as clouds gather, etc) like rain is imminent.

Examples

“the weather's clabbering up to rain; the clouds are clabbering up”

“"You mean a storm's clabbering up."”

“"[It's] clabbering up to rain, looks like," he muttered,[…]”

“... clouds began clabbering up on the south-western horizon, and the sky became more and more lowery. It seemed likely that something dramatic might happen, so late in the afternoon I put on my bathing suit, told Beth to close the[…]”

CEFR level