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1.
Someone who noms a lot.
a nomming monster.
"omnomnom... "
"Woah that nomster just ate all the cookies!"
by NomsterNomster February 27, 2009
 
2.
What people become when they nom to extent that it starts to take over...O.o
Don't nom too hard! You might become a nomster like your Uncle Bill!
by I. Am. A. Lolcat. March 26, 2012