Bag of wind and Gasbag

Gasbag and bag of wind are semantically related in braggart topic. In some cases you can use "Gasbag" instead a noun phrase "Bag of wind", when it comes to topics like loudmouth, bigmouth, someone who talks too much, person who talks boastingly.

Gasbag noun - A person who talks constantly.

Bag of wind and gasbag are semantically related in braggart topic. You can use "Bag of wind" instead a noun "Gasbag", if it concerns topics such as loudmouth, bigmouth, someone who talks too much, person who talks boastingly.