Bukkake -

: It can describe pouring water with enough force to cause a splash, such as during firefighter training or other everyday activities. Pornographic Genre

The term became widely known internationally in the 1980s following the rise of the Japanese adult video industry.

: The genre reportedly originated in Japan as a creative method to bypass strict censorship laws that required the blurring of genitals; by focusing on the "money shot" (ejaculation) rather than penetration, filmmakers could provide explicit content without violating these laws.

: It typically features one individual (the recipient) being ejaculated upon by multiple men.

The word is the noun form of the Japanese verb bukkakeru (打っ掛ける), which refers to the act of splashing or sloshing a liquid.

: In Japan, "bukkake udon" or "bukkake soba" refers to a style of serving noodles where a dashi-based broth is splashed or poured over them rather than the noodles being dipped into a separate bowl.