Gyaruo (which can be written as ギャル男, ギャルオ, ギャル汚 in Japanese) are a sub-group of modern Japanese youth culture. They are the male equivalent of the gyaru. The o suffix that is added to the word, is one reading of the Kanji for male (男). And recently, the kanji for `dirty` in Japanese (汚), which also has the same readi.....