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noun: one who is an expert at diagnosing and treating bizarre psychological disorders.
friend 1: every time i see a bear -- on TV, in pictures, whatever -- I come in my pants.

friend 2: you need to see a complexpert to help you sort out your bear fetish.
by E_Man July 13, 2012
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Jun 13 Word of the Day
No Bull Shit, and old hacker acronym which is usually used to signify that the talk will be serious.
User: I need to talk to you, NBS.
User2: ESAD, Noob.
by Heko July 17, 2004
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