banzai vs whoo

banzai

• A cry or cheer of enthusiasm, or to celebrate victory. 

• Thrill-seeking; wild. 

• A cry or cheer of "banzai", to express enthusiasm or celebrate victory. 

whoo

• An expression of delight. 

• The cry of an owl 

• The wailing cry of a ghost. 

• To make a whoo sound, of delight, whistling, or of an owl etc.