Don't I know it!

Slang Dictionary

Don't I know it! definition


  1. exclam.
    That is really true! : Late? Don't I know it. I'm yawning like hot cakes.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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Don't I know it! is always a great word to know.
So is flibbertigibbet. Does it mean:
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a chattering or flighty, light-headed person.
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