To be naked, or nude. The same state is also sometimes described as being “starkers.”
Naked, nude, in a state of undress.
|The pop star caused a stink after he was caught running around in the nuddy.||芸能人が裸で走り回ったから大変なことになってしまった。||The pop star was in hot water after he was caught running around in the nude.|
|I beat the heat by getting into the nuddy.||暑さ対策は裸になることだ。||I beat the heat by stripping naked.|