Bag of wind and Big-timer

Big-timer and bag of wind are semantically related in braggart topic. In some cases you can use "Big-timer" instead a noun phrase "Bag of wind", when it comes to topics like person who talks boastingly.

Big-timer noun - One of high position or importance within a group.

Bag of wind and big-timer are semantically related in braggart topic. You can use "Bag of wind" instead a noun phrase "Big-timer", if it concerns topics such as person who talks boastingly.