Top Definition
This condition describes a host of symptoms normally experienced the day after a large intake of alcohol. Symptoms include: headache, dry mouth and general sluggishness. There is no known vaccine although avoiding bars and parties is thought to help.
There is also no known cure, however, consuming alcohol at the onset of the symptoms is proving successful in clinical trials. The FDA has yet to approve this treatment as it has resulted in alcoholism in some cases.
Todd: "Is Brendan at work today?"
Reggie: "No way, that guy was thrashed last night, he soooo has head-flu"
by M. Y. Round December 04, 2008
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