adj. ridiculously grandiose and complex, doomed to failure, yet undeniably hillarious, usu. said of plans for world domination and the like
by foltor September 2, 2005

Star of the hit 'kids' show "Invader Zim." An ex-Urkan soldier who was sent to Earth by the Tallest, where he goes to Elementary School in order to try and learn what is needed to take over the planet.
by Adrien May 13, 2005

by Questy April 1, 2009

A funny guy with a sweet face and loving heart. A Zim will always make your day and tell you you're beautiful in every way and make your heart stop every time he looks at you. A Zim is good at anything he does, even if he doesn't like it.
He's such a Zim.
by girr. January 4, 2010

im so zim
by achilles kicks butt December 21, 2008

noun: Someone who is devoted to making people's lives a misery. Whether it be one person or the entire planet. This mostly ends in failure.
Ultimate goal: World domination
Ultimate goal: World domination
by NotSoCombo September 13, 2016

by A Kumirai October 5, 2006
