Uncensored Version Here
Goku and Gohan had called Shenlong because they wanted to have a warrior capable of defeating enemies with a stomp. Indirectly, this wish fell on Bulma, who was enjoying her day off on the shores of the Kame House beach with Vegeta, and she grew to be the size of the island, while the prince of the Saiyans was trapped in her enormous breasts, at least now they have someone capable of winning fights with a stomp (literally)!