Languages › French À poil French Expressions Analyzed and Explained Share Flipboard Email Print French Vocabulary Pronunciation & Conversation Grammar Resources For Teachers By ThoughtCo Updated February 20, 2019 Expression: à poil Pronunciation: [a pwal]Meaning: stark naked, in the buffLiteral translation: in hairRegister: familiar Notes: The French expression à poil refers to body hair - when you are à poil, you're wearing nothing but your own hair. It's equivalent to the English expression "in one's birthday suit." ExampleN'ouvre pas la porte - je suis à poil !Don't open the door - I'm completely naked!À poil can be used as an adjective or as a command in numerous expressions:être à poil - to be stark nakedse baigner à poil - to go skinny-dippingse mettre à poil - to strip down to one's birthday suitun mec / une fille à poil - a naked guy / girlÀ poil ! - Take 'em off!Synonyms:nu - naked, nudedéshabillé - undresseden costume d'Adam/d'Ève (old-fashioned) - in one's birthday suiten tenue d'Adam/d'Ève - in one's birthday suitAttention: the French expression au poil is an informal way to say "great!" or "perfect!"