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bukkake

n. 1 (context neologism sexuality English) The act of multiple men ejaculate onto one person's face and/or body. 2 (context neologism pornography English) The genre of pornography centered around this act.

Wikipedia
Bukkake

( or , ) is a sex act portrayed in pornographic films, in which several men ejaculate on a woman, or another man. Bukkake videos are a relatively prevalent niche in contemporary pornographic films. Originating in Japan in the 1980s, the genre subsequently spread to North America and Europe, and crossed over into gay pornography.