Screwball

6 clues
Nut
Kook
Wacko
Weirdo
Tricky pitch
Wacky person
Similar answers:
Airportscreener
Airscreen
Airscrew
Anewballgame
Apostlescreamed
Apostlescreed
Archimedesscrew
Ascream
Ascreechinghalt
Ascrew
Ascrewdriver
Ascrewloose
Aturnofthescrew
Bigscreen
Capscrew
Christmascreep
Coldscream
Computerscreens
Corkscrew
Corkscrewcurl