She's nice but her sister's a real 'wacko'.
His father's 'wacko'. [='wacky']
They have some 'wacko' ideas.
(..) Just a friendly warning... ...I'll be back with people who know what they're doing. Before you do that, Chris, I wanna tell you about Officer Bennett. Few years back, some wacko, he abducted a kid... ...threw him down a mine vent up there in Silent Hill. Cybil Bennett, she found that boy. (..)2006 Silent Hill