1 definition by Jishymcfreakingsishy

Sishy- (si-sh-ie) A sishy is when a Jishy (juvenile fuckboy) who happens to look like a fishy (typically Dory) makes it his mishy (mission) to make a big freakin mistake, usually resulting in a mass dilemma.
"I'm so done with him, Jishy made a pretty big sishy this time"
by Jishymcfreakingsishy July 15, 2017
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