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1.
A combination of theoretically and hypothetically, relating to anything that could be both hypothetical and theoretical at the same time.
well, hypotheoretically I wouldn't need to tell you what it means because you would already know what it means.
by Jason Timm February 15, 2007
 
2.
to be hyper when being theoretical :)
pigs can fly and snakes have hands : thats being hypotheoretically
by h0 bag May 25, 2011