What is Bag A Boo?
1.
Someone who brags excessively; an ostentatious self-promoter.
"Don't you brag, and don't you boast
Grief comes to those who brag the most
Why are you crummy, you're crummy fe true?
Why are you acting like a bag a boo?"
Blues lyrics by Clancy Ecles, Jamaican ska and reggae singer, circa 1962
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