A sunny side up egg on an english muffin. Pronounced when running the words egg-on-a-muffin together. Usually popular amongst those of Polish decent.
Hey mom, can you make me breakfast?
Sure, let me make you an eggnon muffin.

Elizabeth what are you making us for breakfast?
My famous eggnon muffin's obviously!
by Elzbieta January 14, 2012

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