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1.
Made famous by Manny from degrassi,used to mean 'crazy' or 'insane'
person 1-"I think ashleys mom is hottt!"
person 2-"are you cuckoo-bannanas,shes like 60!"
by yayemilyy!123 February 27, 2007

Words related to cuckoo-bannanas

crazy degrassi insane looney lost your mind nuts