wacko or whacko /wakˈō/ (slang)

1. Mad
2. Eccentric

A deranged or eccentric person

• manna-croup
• manna-dew
• manna-grass
• manna-groats
• manna-larch
• manna-lichen
• mannas
• manned
• mannequin
• mannequins
• manner
• mannered
• mannerism
• mannerisms
• mannerist
• manneristic
• manneristically
• mannerists
• mannerless
• mannerliness
• mannerlinesses
• mannerly
• manners
• manniferous
• mannikin