fuzznut

Compound of fuzz (“befuddlement”) +‎ nut (“head”).

fuzznut (plural fuzznuts)

1. (slang, derogatory) A foolish person; a despised person.
   • 1979, Richard and Elaine Lorren, "The Pyramid Issue", Spit in the Ocean, page 146:

     Then don't give me no crap like I bought tickets to the wrong state, Feather Bean! Fuzz nut!

• Thesaurus:fool