Related Clues:

• Press forward
• Push, in a way
• Cattle pusher
• Gambling bug, e.g.
• Try to sell
• Libido, for one
• Give motivation to
• Cattle coaxer
• Attempt to persuade
• Cattleman's tool
• It might be uncontrollable
• Push along
• Propel into action
• Egg, in a way
• Primal instinct