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1.
A combination of the words Not and Much, used in general by the lazy
- What's up?
- Nuch, you?
by RBatta July 14, 2003
 
2.
Short for nutritional yeast, a nutritional supplement popular among vegans and other healthy people.
-Ooh, pasta! Got any parmesan?
-Ew! Don't ruin my pasta with moldy cow booby juice! Try some delicious, savory nüch instead.
by Dykonoclast October 28, 2007
 
3.
equall to no such (no such)
there is n'uch thing as a flying pig
by acechidisk August 16, 2005