Related:

• You're a sheep in sheep's clothing.
• It's not that they die, but that they die like sheep.
• I will not bring sheep to class.
• Ranchers do it with cows and sheep.
• Two sheep short of a sweater.
• What do SHEEP dream of?
• The sheep died in the wool.
• It was the best place to be, thought Wilbur, this warm delicious cella
  with the garrulous geese, the changing seasons, the heat of the sun, the passage of swallows, the nearness of rats, the sameness of sheep, the love of spiders, the smell of manure, and the glory of everything....
• I hate sheep! -- A True Kiwi!