1. napoo - Adjective
2. napoo - Verb
3. napoo - Interjection
(military slang, now historical) Finished, dead, no more, gone; non-existent. [from 20th c.]
(military slang, now historical) Dead. [from 20th c.]
napoo (third-person singular simple present napoos, present participle napooing, simple past and past participle napooed)
(UK, army, slang) To finish; to put an end to; to kill.
He will napoo the rations.
napoo
(UK, army, slang) There is no more.