''Yo'' is a

slang Slang is vocabulary (words, phrases, and linguistic usages) of an informal register, common in spoken conversation but avoided in formal writing. It also sometimes refers to the language generally exclusive to the members of particular in-gr ...

interjection An interjection is a word or expression that occurs as an utterance on its own and expresses a spontaneous feeling or reaction. It is a diverse category, encompassing many different parts of speech, such as exclamations ''(ouch!'', ''wow!''), curse ...

, commonly associated with North American English. It was popularized by the

Italian-American Italian Americans ( it, italoamericani or ''italo-americani'', ) are Americans who have full or partial Italian ancestry. The largest concentrations of Italian Americans are in the urban Northeast and industrial Midwestern metropolitan areas, ...

community in

Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since ...

Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...

, in the 1940s. Although often used as a greeting and often deployed at the beginning of a sentence, ''yo'' may also come at the end of a sentence and/or may be used for emphasis or to direct focus onto a particular individual, group, or issue at hand, or to gain the attention of another individual or group.

Etymology and history

The interjection ''yo'' was first used in

Middle English Middle English (abbreviated to ME) is a form of the English language that was spoken after the Norman conquest of 1066, until the late 15th century. The English language underwent distinct variations and developments following the Old Englis ...

. In addition to ''yo'', it was also sometimes written ''io''. Though the term may have been in use in the 16th century, its current popularity stems from its use in Philadelphia's

Italian American Italian Americans ( it, italoamericani or ''italo-americani'', ) are Americans who have full or partial Italian ancestry. The largest concentrations of Italian Americans are in the urban Northeast and industrial Midwestern metropolitan areas, w ...

population in the twentieth century, which spread to other ethnic groups in the city, notably among Philadelphia

African American African Americans (also referred to as Black Americans and Afro-Americans) are an ethnic group consisting of Americans with partial or total ancestry from sub-Saharan Africa. The term "African American" generally denotes descendants of ens ...

s, and later spread beyond Philadelphia. From the late twentieth century, it frequently appeared in hip hop music and became associated with

African American Vernacular English African-American Vernacular English (AAVE, ), also referred to as Black (Vernacular) English, Black English Vernacular, or occasionally Ebonics (a colloquial, controversial term), is the variety of English natively spoken, particularly in urba ...

, as seen in the title ''

Yo! MTV Raps ''Yo! MTV Raps'' is an American two-hour television music video program, which first aired on MTV Europe from 1987 to mid-90s and on MTV US from August 1988 to August 1995. The American version of the program (created by Ted Demme and Peter Doug ...

'', a popular American television hip-hop music program in the late 1980s.

Notable uses

A frequent example of the expression is fictional Philadelphian Italian-American

Rocky Balboa Robert "Rocky" Balboa (also known by his ring name The Italian Stallion), is a fictional title character and the protagonist of the ''Rocky'' film series. The character was created by Sylvester Stallone, who has also portrayed him in all eight ...

, where the word is used throughout all of the Rocky films and is part of the iconic line, "Yo, Adrian, I did it!", which was ranked 80th in the AFI's list of 100 best movie quotes. The phrase " Yo, Blair. What are you doing?" was supposedly an informal greeting that

United States President The president of the United States (POTUS) is the head of state and head of government of the United States of America. The president directs the executive branch of the federal government and is the commander-in-chief of the United Stat ...

George W. Bush gave to

British prime minister The prime minister of the United Kingdom is the head of government of the United Kingdom. The prime minister advises the sovereign on the exercise of much of the royal prerogative, chairs the Cabinet and selects its ministers. As moder ...

Tony Blair Sir Anthony Charles Lynton Blair (born 6 May 1953) is a British former politician who served as Prime Minister of the United Kingdom from 1997 to 2007 and Leader of the Labour Party from 1994 to 2007. He previously served as Leader of t ...

during the G8 summit in

Saint Petersburg Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), i ...

, Russia, on 17 July 2006. However, other sources state that Bush’s usage of the word "yo" is a “myth” and that the president actually said "Yeah, Blair".

Other uses

* In

Baltimore Baltimore ( , locally: or ) is the most populous city in the U.S. state of Maryland, fourth most populous city in the Mid-Atlantic, and the 30th most populous city in the United States with a population of 585,708 in 2020. Baltimore was ...

, and possibly other cities, ''yo'' (or a word coincidentally identical to it) has become a

gender-neutral pronoun A third-person pronoun is a pronoun that refers to an entity other than the speaker or listener. Some languages with gender-specific pronouns have them as part of a grammatical gender system, a system of agreement where most or all nouns have a va ...

References

{{reflist 1990s slang African-American culture American slang Culture of Philadelphia Greeting words and phrases Interjections Italian-American history Italian-American culture English words Hip hop terminology