1 definition by The Buck Says

To hit a homerun; first introduced by Atlanta Braves thirdbaseman Chipper Jones via his July 25th tweet: "Mike b and jhey go yicketty! The roadrunner went mammo! And the Bravos have a winning road trip" and then clarified a later, "yicketty means homer! mammo means big bomb"
Chipper Jones just went yicketty. It was mammo.
by The Buck Says July 31, 2012
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