Top Definition
A Slison in the simplest term is a person who 'fails at life' to the highest degree.
To qualify they must meet all these conditions:
1. Love moustaches
2. Believe that unicorns will one day magically appear
3. Defend pervy old men
What you can't even figure that out? You're such a Slison!
by bingg May 09, 2011
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