wacko or whacko /wakˈō/ (slang)

1. Mad
2. Eccentric

A deranged or eccentric person

• scabbards
• scabbed
• scabbedness
• scabbednesses
• scabbier
• scabbiest
• scabbiness
• scabbinesses
• scabbing
• scabble
• scabbled
• scabbles
• scabbling
• scabby
• scaberulous
• scabies
• scabious
• scabiouses
• scablands
• scablike
• scabrid
• scabridities
• scabridity
• scabrous
• scabrously