Top Definition
The idea that when a person says "I have to pee" the people around her develop a need to go to the bathroom as well.
<person 1> "I really need to pee"

<person 2> "Damn, now I need to too"

<person 3> "Thus the Shanza effect is set in motion, I have to pee too"
by Michelle McCullar October 20, 2005
5 Words related to The Shanza Effect

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