wacko or whacko /wakˈō/ (slang)

1. Mad
2. Eccentric

A deranged or eccentric person

• macarized
• macarizes
• macarizing
• macaroni
• macaronic
• macaronically
• macaroni cheese
• macaroni cheeses
• macaronics
• macaronies
• macaronis
• macaroon
• macaroons
• macassar
• macassar oil
• macaw
• macaw-palm
• macaw-palms
• macaws
• macaw-tree
• macaw-trees
• Macc.
• Maccabaean
• Maccabean
• Maccabees