A History of Short Words

From the New York Times Crossword Puzzle

BRR

Sun, 12 Jun '22
Comment with a shiver
Wed, 11 May '22
Remark from one having cold feet, perhaps
Tue, 19 Apr '22
"It's cold in here!"
Wed, 2 Feb '22
Cold comment?
Fri, 12 Nov '21
Zero reaction?
Sun, 15 Aug '21
Sound at the end of December, appropriately?
Thu, 5 Aug '21
Icy remark?
Mon, 17 May '21
"I'm f-f-freezing!"
Mon, 3 May '21
[It's c-c-old!]
Thu, 4 Feb '21
Sound made while shaking