Top definition
Tasty version of a classic McDonald's breakfast sandwich. Its basically a hash brown folded into a sausage mcmuffin. Invented in Las Vegas but spreading nationwide and coming to a McD's near you.
Dave: Hey man your sausage mcmuffin looks different!
Paul: Yeah, its a McGoolish... (opens sandwich)

Dave: Oh, wow.

Paul: Three different layers and textures inside a toasted muffin. That's a McGoolish, you're life will never be the same.
by Dave BOGO December 20, 2009
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