Become extremely angry (2,7)
I believe the answer is:
go bananas
(Other definitions for go bananas that I've seen before include "Flip one's lid (sl.)" , "become very angry" , "Be extremely excited" , "Show enthusiasm" , "Lose one's cool" .)
I believe the answer is:
go bananas
(Other definitions for go bananas that I've seen before include "Flip one's lid (sl.)" , "become very angry" , "Be extremely excited" , "Show enthusiasm" , "Lose one's cool" .)