ぷぬし うｐ主 LinksSentence search for うｐ主Sentence search for うぷぬしSentence search for ｕｐ主Kanji details for 主Edit in JMdict Noun1. uploader (of a video, image, etc.)Internet slang, See also うｐOther formsｕｐ主 【うぷぬし】 Discussions Log in to talk about this word.