wacko or whacko /wakˈō/ (slang)

1. Mad
2. Eccentric

A deranged or eccentric person

• monopolistic competition
• monopolists
• monopolization
• monopolize
• monopolized
• monopolizer
• monopolizers
• monopolizes
• monopolizing
• monopoly
• Monopoly money
• monoprionidian
• monopropellant
• monopropellants
• monopsonies
• monopsonist
• monopsonistic
• monopsonists
• monopsony
• monoptera
• monopteral
• monopteron
• monopterons
• monopteros
• monoptote