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1.
A bar drink consisting of equal parts vodka, Kahlua and either tonic water or club soda poured into a rocks glass in the order listed and served with a straw. The liquids stay semi-separated because of the differences in the specific gravity of each, and the drink is imbibed quickly through the straw so that the Kahlua chases the vodka and the soda chases the Kahlua. Extremely effective in curing what ails you, hence the name.
"We started out the night drinking Mind Erasers, and got munted very quickly."
by SnaggPDX December 10, 2004
 
2.
A Xanax Blunt. Consisting of one half xanax bar and three parts marijuana substance.
A Xanax blunt is a MindEraser.
by Dinkran January 24, 2009
 
3.
Slang for the psychoactive drug benzodiazepine or "Benzos". Term used because of the memory gaps or blackouts when combining benzos with alcohol. Depending on the amount taken, the blackouts caused by benzos can last days with little to no recollection of what occurred.
I just took five mind erasers and had six shots! Remember what I do for the next two days, I want to hear all about it!
by guayaki February 01, 2011