fuzzy-headed

Adjective

 * : having tightly curled and frizzy hair.
 * 1) * 1885 Aug. 8, Spectator, p. 1043:
 * They were... fuzzie-headed.
 * 1)  Characterized by vague or confused thinking: foolish, dull-witted, drunk.
 * : joyfully elated.

Usage notes
As an insult, although present use is generally understood as an allusion to having a head full of fuzz, the original racist supposed connection between fuzzy hair and intelligence can make this and similar terms offensive.

Synonyms

 * See Thesaurus:foolish, Thesaurus:stupid, Thesaurus:drunk