monkey suit(redirected from monkey suits)
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slang A full tuxedo or a uniform, especially one that is meant to appear formal. Supposedly a reference to an organ grinder's monkey, which was often dressed in some kind of suit. I don't know why he insisted on wearing a monkey suit to the party—he's going to be horribly overdressed. I like my job, but I wish they didn't make me wear this monkey suit all day!
a tuxedo. (Jocular. Possibly in reference to the fancy suit worn by an organ-grinder's monkey.) Do I have to wear a monkey suit to dinner? All the men except me wore monkey suits at dinner on the cruise.