Rare and literary.
罄 (qìng) means 'to be exhausted / used up to nothing' (as in
罄竹难书 'so many crimes that even all the bamboo strips couldn't record them'). Combined with
身 'body', the result is 'a body with nothing left on it'. Modern speakers will say
赤身 (chìshēn) or
赤裸 (chìluǒ) instead.
