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2.
like meh but better!

basically means i don't care or anyhting else you may want to use meh for, but you will seem much cooler using mehg!

(could mean yes, no, maybe so, w/e else you want it to)
Mandy-Go clean up billy!
Billy-mehg I don't wanna do it Mandy you do it.

Mom- Billy do you want a hotdog?
Billy- Mehg
Mom- Yes or no?
Billy- Mehg
by JRB75 December 20, 2006
 
1.
A combination of the words "meh" and "megabyte". Used to denote a quantity so insignificant, that it doesn't even warrant an accurate file size, as the speaker loses interest before calculating the actual size.
Jerry: gIMP is big
Ryan: (sarcastically) Oh yea. A whole 60 mehg....
by Zambini August 22, 2014