Top Definition
In the TV show, Spongebob Squarepants, Squilliam is Squidward Tentacles' rival who made millions of dollars doing what Squidward wish he could do. Squidward always tries to impress him and usually ends in an epic fail excluding the episode where Squidward had a band.
I need a 5 diamond restaurant because I told Squilliam Fancyson that I run one!!!
by jayslover January 04, 2009

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