wacko or whacko /wakˈō/ (slang)

1. Mad
2. Eccentric

A deranged or eccentric person

• auklet
• auklets
• auks
• aula
• Aula Regis
• aularian
• aularians
• aulas
• auld
• aulder
• auldest
• auld-farrant
• auld lang syne
• Auld Licht
• Auld Reekie
• auld-warld
• aulic
• Aulic Council
• aulnage
• aulnager
• auloi
• aulos
• aumail
• aumailed
• aumailing