wacko or whacko /wakˈō/ (slang)

1. Mad
2. Eccentric

A deranged or eccentric person

• harness-maker
• harness-makers
• harness race
• harness races
• harness racing
• harness-room
• harness-rooms
• harn-pan
• harn-pans
• harns
• haro
• haroset
• haroseth
• haroseths
• harosets
• harp
• harped
• harper
• harpers
• harpies
• harping
• exactments
• exactness
• exactnesses
• exactor