Related Clues:

• Send
• Attack
• Incite
• So
• Attack dog command
• Command to Fido
• Price
• Error indicator
• See 3-Down
• Order to attack, with 'on'
• Set a setter (on)
• Canine command
• Urge to attack, with 'on'
• '___ 'em, Rover!'
• [their mistake, not mine]