What is Cuckoo Bananas?
1.
cuckoo bananas is an expression usually said when something goes wrong or you make a certain mistake. Or simply just say the word because its fun saying it :P
"omg thats SO cuckoo bananas!"
or simply
"Holy crap im gonna go cuckoo bananas!"
See
2.
a saying used to call somebody an extreme version of crazy
She ran a mile on a whim. Her friends said "She is Cuckoo Bananas."
See
