be duck soup

slang To be very easy. Primarily heard in US. Oh please, I've been playing guitar for 20 years—that song is duck soup. After so many years as an accountant, doing taxes is as duck soup for me. Grandma told me that knitting would be duck soup, but I'm already all tangled up in yarn!

See also: duck, soup

See also:

for (some) years running
chuck it in
wear (one's) years well
golden years
years running
donkey's years
well up in years
dog's years
full of years
do a stretch

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