Bart Simpson cry

• "The Howdy Doody Show" cry adopted by '60s California surfers
• Ninja turtle's cry
• Rouge roulette number
• A word from Bart Simpson
• Surfer's yell
• Surfer's exclamation
• Ninja Turtles catchphrase
• Cry from Michelangelo

Wiktionary Word definitions in Wiktionary
interj. (context slang English) an expression of surprise or amazement, often followed by "dude"