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Throughout the world, Longlong (龙龙 , Longlong , 隆隆 ) is a common principally boy's, but scarcely feminine first name. The first name Longlong is characteristic of China, where it is quite a rare primarily masculine, but very infrequently feminine name, Hong Kong, where it is a rare male name, and Philippines, where it is a very rare masculine name. Much less frequently, Longlong is the last name as well as the forename.