The term 'bozo' is a slang word used to describe someone who is foolish or stupid. It can also be used as an insult. The crossword solutions for this term include 'LUNKHEAD' (8 letters), 'CHUCKLEHEAD' (11 letters), 'OAF' (3 letters), 'DOLT' (4 letters), 'LUG' (3 letters), 'JERK' (4 letters), 'DOPE' (4 letters), 'NITWIT' (6 letters), 'DOOFUS' (6 letters), 'IDIOT' (5 letters), 'GOOF' (4 letters), 'ASS' (3 letters), 'CLOWN' (5 letters), 'LAMEBRAIN' (9 letters), 'TWIT' (4 letters), 'SCHMO' (5 letters), and 'NIMROD' (6 letters). All of these words are synonyms for 'bozo' and can be used to describe someone who is foolish or stupid.