noun
totally naked; buck naked
Wasei-eigo from English 'all nude'. Used to describe a state of complete nudity, often in casual or emphatic contexts.
wasei-eigo (Japanese-coined English), from all nude
彼はオールヌードで部屋を歩き回っていた。
He was walking around the room totally naked.
オールヌードの写真は雑誌に載せられない。
Fully nude photos can't be published in the magazine.