Séamus since then. Though still used by some as a derogatory term, the great preponderance of Irish and Irish-American law enforcement officers led to a persisting stereotype, and the name "Shamus" continues to refer to Irish-American police and private detectives. Séamus Variant spellings include ', ', ', ', "Shaymus", "Sheamus" and "Shamus". Diminutives include ', ' and "". In the United States, the word "Shamus" is a derogatory slang misspelling of Séamus that arose during the 19th century as more than 4.5 million Irish immigrated to America, peaking at almost two million between 1845 and 1852 during ""The Great Hunger"" (Irish:
Prison slang Prison slang Prison slang is an argot used primarily by criminals and detainees in correctional institutions. It is a form of anti-language. Many of the terms deal with criminal behavior, incarcerated life, legal cases, street life, and different types of inmates. Prison slang has existed as long as there have been crime and prisons; in Charles Dickens' time it was known as "thieves' cant". Words from prison slang often eventually migrate into common usage, such as "snitch", "ducking", and "narc". Prison slang, like other types of slang and dialects, varies by region. For that reason, the origins and the movement