noun
bukkake dish; broth-poured dish
A dish where hot broth is poured over noodles or rice, especially ぶっかけそば or ぶっかけうどん. The word itself is a noun, often used as a prefix in dish names.
See also: ぶっかけそば
夏は冷たいぶっかけうどんが美味しい。
In summer, cold bukkake udon is delicious.
noun
splashing on; pouring over
Colloquial noun for the act of splashing or pouring a liquid onto something. Often used in casual contexts.
水のぶっかけはやめてくれ。
Stop splashing water on me.
noun
bukkake (sexual act)
Slang/vulgar term for a sexual act involving ejaculation onto someone's face. Strongly marked as vulgar.
その動画はぶっかけのシーンを含んでいた。
That video contained a bukkake scene.
ぶっかける is the verb meaning 'to splash on' or 'to pour over', while ぶっかけ is the noun form.
Derived from the verb ぶっかける (to splash on), which itself comes from 打つ (butsu, 'to hit') + 掛ける (kakeru, 'to pour'). The noun form ぶっかけ refers to the act or result of pouring/splashing.