szélágyús
The term "szélágyús" is a Hungarian word that literally translates to "wind cannon." It does not refer to a specific type of artillery weapon in the conventional sense. Instead, it is a colloquial and often humorous term used to describe a person who talks a great deal without saying anything substantial or impactful. The imagery evokes a sense of a loud, forceful expulsion of air, much like a cannon firing, but with little actual effect.
This expression is typically used to criticize someone perceived as boastful, overly talkative, or prone to