let sleeping dogs lie

dog definition

1. n.
   a foot. (Usually plural.) : I gotta get home and soak my dogs.
2. n.
   an ugly girl. (Rude and derogatory.) : I'm no dog, but I could wish for some changes.
3. n.
   something undesirable or worthless; merchandise that no one wants to buy. : Put the dogs out on the sale table so people will see them.
4. n.
   dog dung. (See also dog-doo.) : There's some dog on the lawn.