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Synonymous with a parade maker, it is the genius, who must absolutely stay under the speed limit while driving in the fast lane. This behavior is frequently displayed by old men in hats and asian drivers. May also commonly be referred to as asshats and douchebags, interchangably.
Bryan, why were you late to your wedding?

I got stuck behind a road guardian on I-45.
by guardianhater August 10, 2009
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