Anal Overide, When you have built up a shit or fart, on purpose or not, for such an extended period of time, and you clench your anus and but cheeks soo hard to stop anything from leaking out everytime you think your about to shit or fart.

Usually done during time where alot of people are around, or you are too far from the toilet.
Damn, Lucky i've practiced my Anal Override technique, other wise i would have shit a brick in Casey's face while she was sitting behind me in class.
by JAME-AiR™© August 6, 2009
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