Hui (Хуй) is a derogatory name of male reproductive organ in Russian. It's an incredibly common word in Russian-speaking countries and has quite a lot of (deragotory) meanings and can be used to describe numerous actions. Common phrases: "Пошел на хуй", "Идите пожалуйста нахуй"(approx. "fuck you"), "Дохуя" ("shitload"), "Похуй" ("it's irrelevant", "fuck it", "I don't care"), "Хуёво" ("very bad"), "Охуенно" ("awesome!"), "Нихуя себе" ("fuck me", extreme surprise), "Нахуя?" ("what the fuck for?"), "Прихуеть" (be surprised), "Хуячить" or "Хуярить" (to do smth), "Расхуярить" (to destroy smth), "Похуярить" (to go somewhere), "Хуйнуть" (hit somebody), "Охуеть" (to be surprised or to become impudent), "Хуйня" ("bullshit"), "Хуевинка" or "Хуйнюшка" (small, tiny thing), "Хуясе!" (exclamation of wonder).
спизжено тута
http://en.wikipedia.org/wiki/Hui_%28%D0%A5%D1%83%D0%B9%29