Related Clues:

• 'That's, like, preschool level'
• Word accompanying a head slap
• "Well, that's obvious"
• [Facepalm]
• 'Thanks, Captain Obvious'
• 'I should know that!'
• Head slapper's remark
• 'It's as plain as day!'
• 'OB-viously!'
• ''Well, obviously!''
• Something said with a slap
• 'Obviously, Sherlock!'
• Word that punctuates Billie Eilish's 'Bad Guy'
• 'Of course ... my bad!'
• 'Like, obviously!'