1 definition by MorganNormy

A term that is used mostly by African Americans when they want to express their opinions but can not think of the correct words. This phrase was made popular in the YouTube video "Mother fucking Bootleg Fireworks-Subtitled Version"
Before the African American mans friend lights the fireworks he exclaims MONEY UNDER MOUT RUNNIN!
by MorganNormy July 11, 2011
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