also: よんもじご
noun
Refers to vulgar English four-letter words, especially 'fuck'. Used in Japanese to discuss English profanity or the concept of taboo words.
英語の四文字語は、映画ではよくピー音で消される。
English four-letter words are often bleeped out in movies.
彼は怒って四文字語を連発した。
He got angry and let out a string of four-letter words.
Compound of 四 (four), 文字 (letter/character), and 語 (word). A direct translation of the English concept 'four-letter word'.