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1.
A descriptor for food that at first glance appears to be healthy, but is actually packed with sugar or other unsavoury elements.

Comes from the words "no" and "nutrition."
That All-Bran bar looked healthy until I realized its second ingredient was high-fructose corn syrup. You won't catch me eating food so full of no-trition.
by Repo_Mandy April 12, 2010