Top Definition
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Pluto. The planets of the solar system in a fun easy to remember one word abbreviation used to help Zack Morris win the knowledge bowl when Screech Powers gets ill before the competition. Saved by the Bell
Remember Zack... Mvemjsunp....(dies).
by Tggb3k December 06, 2005
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