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1.
The act of being extremely intoxicated on Xanax to the point of acting retarded.
"Yeah, Juan was so bartarded last night, he crashed his car then started smoking some dro"
by Phungguy May 30, 2006
 
2.
So drunk you forget how to say anything intelligent
He had 8 shots of tequila and was rendered bartarded.
by Nonwords August 16, 2014
 
3.
the act in which a human takes xanax and gets bar tarded
bert:speaking an alien language dave:hahaha your bar tarded "that guys talking to himself,he must be bar tarded"
by mary janes husband May 16, 2010