Top Definition
A mixture of the words "moist" and "girth". These words are perceived by many as the two foulest words in the english language. They may bring unpleasant images to mind, and when mixed together, "moith" is born.
Look at Britney Spears's moithy thighs, they are bouncing.
by W Morgan November 08, 2007
4 Words related to moith

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