Top Definition
The word SUBSTANISAN was invented by the always adequite Lindsay Lohan . Nobody knows what does it really mean therefore you can spot many different usages.
Whoa, that would be more than substanisan!

Oh my gah, move to Substanisan already!

Substanisan my ... you moron!

I feel so substanisaned today.

Stop substanisantly substanisanting my substanisaned substanisan.

...Now repeat it over n over as quickly as you can!
by substanisanemigrant September 10, 2009
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