Mine doesn't leak either (except on airplanes). To be clear the hole is only
slightly above the deck. Some
juice does get sucked back down. The deck of the Cyclone is quite concave. If I squonk my dry Cyclone with the cap off juice stays right where it should (especially with a nice wall of cotton built up around the outside).
Oversquonk and, yes, you may have some leaking through the eye holes...er...air holes.