A mop with a sponge at right angles to a handle, which is used for mopping floors and by use of a second levered arm may be squeezed out into a standard bucket with no grating or grill as required for a conventional mop.

A bucket, mounted on a wheeled trolley, that allows a wet mop to be wrung without getting the hands dirty.

plural of mop bucket

(roofing) an application procedure in which roofing elements (insulation boards, felt plies, cap sheets, etc.) are initially placed upside down adjacent to their ultimate location; coated with adhesive or bitumen; and turned over and adhered to the substrate.

plural of mop head

(UK, obsolete) A young whiting. / (UK, obsolete) A pretty girl.

(slang, idiomatic) To be left in a disadvantageous position. / (slang, idiomatic, UK, obsolete) Of a bus: to be deliberately boxed in by another so as to lose the opportunity to pick up passengers.

Alternative form of Mrs Mop

(slang) To trounce or defeat thoroughly or in a humiliating manner.

That is the way things happen.