Possible Clues:

• 'You're killin' me!'
• 'Shoo-oot'
• 'Oh, drat!'
• 'C'mon, bro!'
• "C'mon, bro!"
• 'You gotta be kidding me!'
• ''You cannot be serious!''
• ''Good grief!''
• "Really, bro?!"
• Exclamation of frustration