1) Alehouse losses 2) Indefinite quantity 3) Liquid overflow 4) Overflow mess 5) Pub problem 6) Result of a kitchen accident 7) Slopped amount 8) The amount that has spilled 1) Overflow 
In industrial production, spillage is the loss of production output due to production of a series of defective or unacceptable products which must be rejected. Spillage is an often costly event which occurs in manufacturing when a process degradation or failure occurs that is not immediately detected and corrected, and in which defective or reject...
[n] - the amount that has spilled
noun the amount that has spilled