goobrain

goobrain

(ˈgubren)
n. a fool; a stupid person. (Also a rude term of address.) Look, goobrain, think about it a while. You’ll catch on.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • fettie
  • bluh
  • bousta
  • Hey!
  • lucci
  • horseradish
  • late
  • base
  • bout it
  • case of the shorts