bless his, her, etc. cotton socks

bless (someone's) (little) cotton socks

An expression of endearment, fondness, or appreciation for another person. Primarily heard in UK, Australia. Look at this picture that my sweet daughter drew me, bless her cotton socks! Bless his little cotton socks—Johnny knew I wasn't feeling well, so he brought me breakfast in bed.
See also: bless, cotton, sock
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

ˌbless his, her, etc. (little) cotton ˈsocks

(British English, humorous) used to express your affection for somebody because of something they have said or done: And the kids brought me breakfast in bed — bless their little cotton socks!
See also: bless, cotton, sock
Farlex Partner Idioms Dictionary © Farlex 2017
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