A woman who is sexy but psycho; one to avoid. Once you realize youre dealing with a CuCu Boo it's too late.

Originated in Lacey's Spring,Al
CuCu Boo
"Man I need help dog,Tabitha is low-key a CuCu boo but everybody think I'm crazy.

"My wife is crazy bro CuCu Boo threw a watermelon knife at me last night"
by B.t.K September 5, 2022
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