The Buck Says's definitions

yicketty

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