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1.
When you are really hungry and eating something so delicious that you eat the whole lot without pause. Derived from NomNomNomNom.
The monosodium glutamate on these tortillas makes them nomilicious.
by DowCow July 10, 2008
 
2.
the quality of nom-ness or in other words how good something tastes when eaten or bit
his hat is so nomilicious
by Davipopoby Island December 22, 2008