Definition & Meaning of "dick mouth"in English

What is the origin of the term "dick mouth" and how is it used?

"Dick mouth" is an English slang term that emerged in the late 20th century to describe a loud-mouthed, obnoxious, or disrespectful person. It combines "dick," a vulgar term for a rude or contemptible person, with "mouth," emphasizing speech, to create a metaphor for someone who talks in an offensive or irritating way. The term is used in informal, hostile, or jokingly aggressive contexts, such as casual arguments, online exchanges, or banter among peers. It is clearly derogatory and vulgar, intended to insult or provoke.