Related Clues:

• Commanding phrase
• "I dare you!"
• Cole Porter's 'Let's --'
• 'Stop procrastinating!'
• That's an order
• "Get going!"
• 'Act!'
• ''That oughta ___!''
• "Just __": Nike slogan
• ''Go ahead!''
• "Yes!"
• Hook up
• "Just __!"
• "Just __"
• _____now! (two words)