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1.
a term used to say some ones the shit, commonly used in school or around peoples parents so they don't get yelled at for swearing.
Grady Sizemore's the shnex.
by booklyn May 30, 2008
 
2.
A derogatory term used by only two certain individuals describing sexual intercourse or anything related to it.
Investment: Let's shnex
Countryboy: ..what?
by Investment January 15, 2011