wacko or whacko /wakˈō/ (slang)

1. Mad
2. Eccentric

A deranged or eccentric person

• dive-dapper
• dive-dappers
• dive in at the deep end
• divellent
• divellicate
• divellicated
• divellicates
• divellicating
• diver
• diverge
• diverged
• divergement
• divergements
• divergence
• divergences
• divergencies
• divergency
• divergent
• divergently
• divergent radiation
• divergent thinking
• diverges
• diverging
• diverging lens
• diverging lenses