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1.
To describe an underdog or unlikely character that achieves an awesome moment. Or to describe the actual moment. Could be used as a noun or an adjective.
When that guy who plays defense took the puck coast to coast, that was a true zary!

I cant believe you took that girl home last night, you pulled a zary.

Look at the dork dance with all those girl, what a zary.

Your a zary, after that touch down run.
by Aceburgh March 18, 2008
 
2.
A very little penis infested in herpes.
I was about to have sex with a male prostitute when I saw his zary then i ran away screaming.
by show me yo bootyhole January 06, 2008