kook
- Answer LOON
- Answer CAACKPOT
- Answer CRACKPOT
- Answer DEMENTO
- Answer DINGALING
- Answer FLAKE
- Answer LOONY
- Answer LUNATIC
- Answer MADMAN
- Answer NUT
- Answer NUTCASE
- Answer NUTSO
- Answer ODDBALL
- Answer PIECEOFWORK
- Answer SCREWBALL
- Answer WACKO
- Answer WEIRDO
- Answer YOYO
- Answer ZANY