Possible Clues:

• Knock down farm animal, nearly twelve
• Flatten (with a powerful tractor)
• Completely flatten
• Intimidate male and female creatures, say
• Force through (against all opposition)
• Male deer said to intimidate
• Railroad speculator has to meditate no end
• Demolish; ride roughshod over
• Clear with powerful tractor, demolish
• Does level best perhaps to get light sleep after what the pope issues