When Ben Silverstein is sent to the rundown town of Buttonville to spend the summer with his grandfather, he's certain it will be the most boring vacation ever. That is, until his grandfather's cat brings home what looks like .
Definition of momo. momo. noun. an unintelligent person; moron. Dates to the mid-1950s. The Random House Historical Dictionary of American Slang suggests it may be from a reduplication of the first syllable in moron or it may be from the dialectical Italian mammoccio meaning stupid rascal.
Top Definition. mom. The woman who loves you unconditionally from birth, the one who puts her kids before herself and the one who you can always count on above everyone else. Just telling her your problems makes you feel better because mom's always know how to make it all go away.