By the pump, the horse-trough, and the dirty pool I knew that there was entertainment there for man and horse.
The above was in allusion to the old ceremony of being dragged through the dirty pool to be made a Freeman of the town of Alnwick.
Most of these were actually dry, but many of them contained a dirty pool of stagnant water.
Putting the poor animal's head into this dirty pool, and keeping it there till it was nearly suffocated.
We do not invite woman into the "dirty pool of politics," nor does she intend to enter that pool.
Two of them bear on their heads each a large basket of dirty clothes they are taking to some dirty pool to wash.
Frank, my son, I hope thee will not attempt to drink from a dirty pool because a pure stream flows into it.
Unethical and dubious practice; dirty tricks: triggered ugly accusations of dirty pool (1956+)