Top Definition
Adult math stories or tidbits one would rather read in the bathroom than in the classroom or staffroom lest others might think one is a pervert or mathematical voyeur.
As part of his bathroom math literature, Tom was enjoying "Mathematics and Sex" from the "Humanistic Mathematics Network Journal" last night, while his two kids were struggling with their math homework—two mathematical reactions under one roof.
via giphy
by MathPlus June 16, 2017

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During a toilet sesh, needing to go number one and number two at the same go, totaling three.
Rudigger: Yo buddy, why were you in the stall so long?

Jim: Got tied up with some bathroom math.
by Just Dewar April 07, 2009

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