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1.
Mehz is an uncommon word used by smart people as the plural of Meh, which implies even more lazyness than Meh implies. Ironically, it is longer than Meh, but is supposed to imply more lazyness.
Bob: Hey man lets go run a mile on the school track!
Carl: ....Mehz
by Carlos347834 September 19, 2010
 
2.
n.
A great messiah (Mehziah)
"Mehz's teachings have awakened me"
by hahahalalalablah December 02, 2009
 
3.
n. The overwhelming urge to draw swirls and/or zigzags.
"I always have a mehz on fridays"
by RosySphynx April 06, 2006