1. hot air - Noun
2. hot air - Phrase
loud and confused and empty talk
air that has been heated and tends to rise
Source: WordNetmere rhetoric Source: Internet
About the nature of politicians, he concluded that "In nine out of ten cases they are windbags puffed up with hot air about themselves. Source: Internet
A dust devil, fully formed, is a funnel-like chimney through which hot air moves, both upwards and in a circle. Source: Internet
A pilot does not need a license to fly an ultralight aircraft, but training is highly advised, and some hot air balloons meet the criteria. Source: Internet
As aircraft made of fabric and that lack direct horizontal control, hot air balloons may occasionally require repairs to rips or snags. Source: Internet
As more hot air rushes in toward the developing vortex to replace the air that is rising, the spinning effect becomes further intensified and self-sustaining. Source: Internet