Why do I need to know avoir la gueule de bois? Avoir la gueule de bois literally translates as ‘to have a wooden mouth’ but its real meaning is to have a hangover. The other very common French phrase that uses this word is ferme ta gueule! The expression avoir la gueule de bois now refers to all symptoms relating to the morning after a night of over-watering. Ne bois trop de champagne, tu ne veux pas avoir la gueule de bois demain.

Source: The Local October 08, 2019 10:41 UTC