Murphy’s Law, Finagle’s corollary:
If something can go wrong, it will

so,

If you throw a slice of toast with butter into the air, it will always fall with the buttered side down

Cats conservation law:

cat will always land on its foots.

So, what would happen if we stick a slice of toast with butter to a cat’s back and we throw it to the air? The cat, by law, will land on its feet, but the toast, (by law too) will land on the butter’s side.

The cat would stuck in a Anti-Gravity vortex known as a Gravitic Warp

http://uncyclopedia.org/wiki/Murphy%27s_law_application_for_antigravitatory_cats

http://uk.youtube.com/watch?v=OBGlm0Sye8Y&feature=related