Related Clues:

• Confident shout from an optimist
• Bet-matching phrase
• Hacker's announcement
• "Yes, let's do it!"
• Declaration after getting a hand
• Confidence-building mantra
• “Sign me up!”
• 'Yes, let's do this!'
• "Gimme a piece of that action!"
• "You've got my support!"
• "That's within my abilities!"
• "You sold me!"
• "Name the time and place"