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A substitute phrase for literally any word/phrase in a sentence, particularly to imply sexual innuendos. However, it can be used to replace any other word the user feels like covering up with this fun sound.
1: Dude, keep your pants up! I almost just saw your shii shoo!

2: I just got some brand new Nikes from the shii shoo!
by mousie9110 November 06, 2010
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