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2.
Noun
The ability to detect 'crazy' in an otherwise normal seeming person. Similar to Gay-dar, only for Crazy.
This girl flipped out on me last night when she saw my online dating profile. Pure cray cray. I normally have excellent craydar but she sneaked by me.
by fantasticmadeofplastic June 11, 2013
 
1.
A man's ability to see whether or not a woman be cray cray or not
Brian's craydar so shit he ended up dating a serial killer for three months
by xJoshAndStuffx May 23, 2014
 
3.
An organ in everyone's mind that detects how cray other people are.
"Her craydar is strong!"
by kr (: June 05, 2014