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1.
vb : a dull throbbing pain occurring anywhere ( typically in the forehead) in the body following the lapse of the alcohol's euphoric effects.
Upon hearing moans of pain from her son's room Jennifer peaked inside and immediately discovered an empty bottle of whiskey on the floor near his bed. Immediately she deduced that Matt was suffering from an alcoholache.
by Dirk The Daring January 02, 2011