US Patent 7270588 Flying disc

A flying disc toy of flexible plastic construction with a convex central top section connected to a concave central bottom section by an annular rim. The toy has a central hollow area that can be filled with water through a central opening in the top plate and also has a plurality of openings on the annular rim. When the toy is thrown and flies in the rotating manner similar to most flying discs, the centrifugal forces produced will cause the water inside of the toy to spray out of the openings in the annular rim.