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1.
an incredibly sexy person; a person so sexy that everyone else pales in comparison to him; only used to describe or name a male
Since he was so sexy, they called him Zimdars.
by Tim Zimdars February 08, 2006
 
2.
A sixth sense, or an intuitive sense that picks up narcissistic people when they start talking.
A Zimdar can be set off when you meet someone and during conversation you receive the notion that he/she is conceited (i.e. believes everyone else is below them; thinks he/she is always right and noone else is).

My Zimdar goes off whenever I'm in a conversation with Chuck since conversations with him end up with him correcting me on topics I've already researched, or have in-depth knowledge about.
by Bewnam Ajnin April 30, 2008