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An abbreviation that stands for "Kate Marsh Yourself". Kate Marsh is from the game Life is Strange and she takes jumps off buildings and takes flight. The term is telling someone to jump off a building and soar like Marsh did in the game. Typically used when a person is pissing others off.
"OH MY GOSH JENNY! HOW DARE YOU MESS WITH MY WEAVE! GO KMY!
"GEORGY, THIS RELATIONSHIP IS OVER! DON"T EVER CHEAT ON ME AGAIN YOU MAN SLUT! KMY BASTARD!
"JESUS IS GONNA TAKE YOUR WHEEL WHEN YOU KMY LATER TODAY BEKY!
by katemarshclan May 28, 2018
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