Slop n.
 1. Water or other liquid carelessly spilled or thrown aboyt, as upon a table or a floor; a puddle; a soiled spot.
 2. Mean and weak drink or liquid food; -- usually in the plural.
 3. pl. Dirty water; water in which anything has been washed or rinsed; water from wash-bowls, etc.
 Slop basin, or Slop bowl, a basin or bowl for holding slops, especially for receiving the rinsings of tea or coffee cups at the table.
 Slop molding Brickmaking, a process of manufacture in which the brick is carried to the drying ground in a wet mold instead of on a pallet.