Someone who boasts excessively and exaggeratively about his or her imagined talents or abilities. Also characteristic of someone who thinks they know something that others do not. Blow-hards are akin to name-droppers.
by Nimrod Nineveh November 8, 2009
My neighbor is a real blow hard, he starts telling his stories and I can hardly get away before he stops talking.
by xrayok February 6, 2009
Bill O'Reilly from Fox News is a blow-hard.
by Arrow666 January 8, 2008
A person that is known to rant and rave about things. Their opinions are usually ignorant and lack evidence. The term comes from the literal meaning of "blowing hard". If you blow hard enough people pretty much have to listen.
by FlamingGuts November 9, 2009
by Br@ndon May 4, 2006
the process of forcing your air inside your ass bypass the turds in the anus and releasing some serious wind which smeels like rotten eggs
while i was in the elevator with some strangers at the mall, i blew some hard ass, so i explained to them i was on a laxative
by weasel May 2, 2005