1. a mix of the words nate; in this case meaning prude, and retarded; meaning stupid. it could be used to describe a fail moment

2. someone who is prude and stupid
3. a really fail moment that involves something sexual
4. someone that has "prude ears" (meaning they're prude)
guy 1: dude! she just came up and kissed u! wtf? why did u just push her away?!?! u r so natearded.
guy 2: o shut up.
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