Flushing the toilet while you sit on it because you sink. Commonly used as a joke, being told to add and subtract while in the toilet taking a dump.
Hey Steve... do your toilet math.
Robert: Hey Mike, add and subtract... add and subtract...
Mike: What?
Robert: Add a little water, subtract everything else.
Robert: Hey Mike, add and subtract... add and subtract...
Mike: What?
Robert: Add a little water, subtract everything else.
by Nightshade00013 November 6, 2021
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