" Brass monkey weather "
Extremely cold weather. The full expression is 'Cold enough to freeze the balls off a brass monkey'.
The weatherman says minus 10 degrees and strong winds for tomorrow. That's brass monkey weather.
Where did it originate?:
The UK and USA in the early 20th century.
Where is it used?:
Worldwide, mostly among people in their 20/40s, as a slang expression.
Hear the idiom spoken: