A person working at Mcdonalds who in turn has a mullet.
"dude, that cook put grundle bunnies in my big mac, what a mcmullet."
by shelby1 February 1, 2008
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An exceptionally useless person with almost nothing to offer intellectually, professionally or personally, and whose haircut is just a shame; known largely for a diet of fast food and soft drinks
“Where’s McMullet?”
“Well, it’s 9:00 am, so I suppose he took off in his truck to get a McDouble.”

“Maybe he should get a haircut while he’s out.”
by Hugh Prix November 13, 2018
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