Related Clues:

• "Not this again..."
• Comment before 'Whee!'
• Words at the outset
• Shout at the top of a roller coaster
• 'Strap yourselves in, kids ...'
• Comment accompanying an eye-roll
• "Let's get started!"
• 'Fasten your seatbelts ...'
• Game intro
• "Fasten your seatbelts"
• 'Brace yourselves ...'
• 'Get ready...'
• *'Oh boy, it's starting!'
• *"Oh boy, it's starting!"
• Tutorial opener, maybe