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the act of discharging snot, saliva, and cud, often bloody and violent, out of the nose and mouth during the joint acts of sneezing and laughing. This act often accompanies a fart, called a symphart.
Michael's head cold was a poor accompaniment to the Marx Brothers festival as he blaha'd balls of cud from his oral cavities.
by Chiggers Dudley April 11, 2008
to acquire such a severe state of mental numbness that one feels as though one has been had.
Michael used to be such a cool guy. But since he moved to Taos he's been jobless and watches TV all day long. He totally has given up on life. It's almost like he's a zombie. He's like totally Blaha'd now.
by Bigby Suvins April 11, 2008