Etymology

Noun

1. Vain boasting; a rant; pretentious behaviour.
   • 1855, Sir Richard Burton, Personal Narrative of a Pilgrimage to Al-Madinah & Meccah, Dover 1963, p. 67:

     He talks of her abroad as a stern and rigid master dealing with a naughty slave, though, by the look that accompanies his rhodomontade, I am convinced that at home he is the very model of "managed men."

Verb

1. To boast, brag or bluster pretentiously.