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. Bless your cotton socks, Jean. I know I can always count on you to help me in a crisis.
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