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1.
Someone who is no longer drinking but is not happy with life. This person usually still has his/her alcoholic mindset but not the booze.
I stopped going to that AA meeting downtown because it was mostly full of dry drunks.
by Boozehound 69 August 26, 2008
 
2.
A dry drunk is a person whose brain was affected by years of alcohol abuse, despite the fact that the person had quit alcohol. Usually is a result of a person who went cold turkey. The brain usually shrinks

A dry drunk usually exibits the following traits,
* Exaggerated self-importance and pomposity
* Grandiose behavior
* A rigid, judgmental outlook
* Impatience
* Childish behavior
* Irresponsible behavior
* Irrational rationalization
* Projection
* Overreaction
Many consider George W. Bush to be a dry drunk, and point to observations of his speeches and other behaviors as evidence of this condition.
by Jesse February 21, 2005
 
3.
A dry drunk is an alcoholic who stops drinking on their own without working a 12-step program. Although they are sober and no longer drinking, they still retain behavioral patterns of an alcoholic, which most commonly include:
1. Grandiose behavior
2. Impulsiveness
3. Complacent feelings
Former President George W. Bush has admitted that he stopped drinking on his own without the help of a 12-step program. By this definition, he would be a Dry Drunk.
by RLivin2656 December 28, 2010