wacko or whacko /wakˈō/ (slang)

1. Mad
2. Eccentric

A deranged or eccentric person

• moten
• motes
• mote spoon
• mote spoons
• motet
• motets
• motett
• motettist
• motettists
• motetts
• motey
• moth
• moth-ate
• mothball
• mothballed
• mothballing
• mothballs
• moth-eat
• moth-eated
• moth-eaten
• moth-eating
• moth-eats
• mothed
• moth'er
• mother