Crossword Genius

Empty, boastful talk (3,3)

Ross

I believe the answer is:

hot air

(Other definitions for hot air that I've seen before include "Bull" , "Empty boastful talk; balloon lift provider" , "is essential before the balloon goes up" , "over the Sahara?" , "Empty bombast often found in balloon" .)

I've seen this clue in The Mirror.
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