gasbag
/ˈɡæs.bæɡ/noun
Middle School
1
A bag or bladder to hold a reservoir of gas, as in a hot-air balloon.
2
A lighter-than-air aircraft; a balloon or dirigible.
3
A person who is overly garrulous or prone to making empty, unsupportable statements; a windbag.
Thesaurus
#derogatory