It is generally believed to have been in use in the 1960s at the earliest, when gangs of second-generation immigrants from the mainland would use it as a slur against Fujianese and Hakka people whose families had already been in Taiwan for many generations.
目前一般認為最早是起於 1960 年代，外省第二代幫派份子對閩南人與客家人等「非我族類」的歧視用語，意指對方國語不標準、穿著土氣、沒水準、不入流、沒見過世面等，是族群優越感下不折不扣的貶抑詞。