napoo adjective 2exclamation 1verb 1forms 3 adjective2 •(slang, historical) Finished, dead, no more, gone; non-existent.What shall I do? / My poor old dug-out is napoo. — 1918 •(slang, historical) Dead.‘Hey, Bill, where′s Charles?’ / ‘Napoo.’ / ‘What?’ / ‘Yes. He was out on a listening post and lit a cigarette. Sniper got him.’ — 1918 exclamation1 •(UK, slang) There is no more.“[…]Finish! Napoo!” and he spread his hands expressively, holding the cup upside down with the cloth hanging out of it, before he went on: “But it hasn't come to that yet.[…]” — 1939 verb1 •(UK, slang) To finish; to put an end to; to kill.He will napoo the rations. formsnapooed · napooing · napoos