mop

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mop

1
an implement with a wooden handle and a head made of twists of cotton or a piece of synthetic sponge, used for polishing or washing floors, or washing dishes

mop

2
(in various parts of England) an annual fair at which formerly servants were hired

MOP

(Millionaire On Paper) People who have wealth tied up in company stock options, which cannot be exercised until a certain date. During the dot-com boom, tens of thousands of MOPs were created, but many unfortunately never cashed in before the stock became worthless. See also MOPS.
References in periodicals archive ?
One more glia role turns out to be mopping up excess glutamate.
Ravers at the READING rock festival - where police reported 14 arrests for possession of Class A drugs - were mopping up after a downpour turned the camp site into a mudbath.
ANGELES NATIONAL FOREST - In sweltering temperatures Monday, firefighters continued mopping up the 5,062-acre Bouquet Canyon fire, dousing hot spots of a blaze that charred the rugged hillsides north of Santa Clarita.