Related Clues:

• Push hard
• Animal with a beard
• Cheese source
•     Farm-made butter
• Laughingstock
• Rear-end, e.g.
• Mountain mammal
• Bash into
• Crash into
• Old gate-crasher
• Transport for Phrixus
• Butt heads
• Shearling's dad
• Capricorn, symbolically
• St. Louis gridder