1 definition by penwrite

The hand and arm motion that one makes when trying to defecate upon a toilet. The 'Super Saiyan' is usually done only when one is having trouble expelling waste. It is also commonly accompanied by a facial expression of intense concentration. The origin of the phrase stems from the epic transformation sequences of the popular anime Dragon Ball Z.
Bulma: Hey, where's Vegeta gone off to? His bento and bubble tea are getting cold.
Goku: I saw him head over to the washroom.. he's probably going super saiyan in there!
by penwrite September 1, 2013
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