Answer: gasbags

AnswerCrossword Clue
GASBAGSWindy speakers
GASBAGSLong-winded types
GASBAGSYawn-inducing yakkers
GASBAGSThey'll talk your ear off
GASBAGSBoastful types
GASBAGSThey're full of hot air
GASBAGSConversation monopolizers
GASBAGSBig talkers
GASBAGSThey go on and on
GASBAGSBlowhards
GASBAGSWind sources
GASBAGSLong-winded sorts
gasbagsThe container holding the gas in a balloon or airship
gasbagsA person who talks too much, typically about unimportant things