McFucktard
1. A low-level employee of McDonalds or any other generic fast-food outlet.

2. An extremely stupid person, more fucktarded than a regular fucktard.

3. A fucktard's offspring, as the prefix 'Mc' means 'son of' in Scottish.
Customer: "Big Mac and fries please."

McFucktard: "Do you want fries with that?"