Yo Definition

interjection
Used variously to attract attention, greet someone, introduce or emphasize a remark, etc.
Webster's New World
Used to express emphasis.
Today's my birthday, yo.
American Heritage

(slang) A greeting similar to hi.

Yo Paulie! How's it going?
Wiktionary

(slang) An interjection similar to hey.

Yo, check this out!
Wiktionary

(military slang) Present! Here!

Sergeant: Smith? Private Smith: Yo!
Wiktionary
Advertisement
contraction

(African American Vernacular) Contraction of you and are.

Yo a fool.
Wiktionary
pronoun

(colloquial) Shortened form of your.

Yo sandwich only has bacon in it. Want some ketchup on that?
Wiktionary
(Baltimore) Third-person singular, familiar.
Yo was tuckin' in his shirt! (Stotko and Troyer 2007)
Wiktionary
noun

Abbreviation of year/years old.

Wiktionary
abbreviation
Wiktionary

Yogyakarta, a special region of Indonesia.

Wiktionary
Advertisement

Origin of Yo

  • From Middle English yo, io, ȝo, yeo, yaw, variant forms of Middle English ya, ye (“yes, yea"), from Old English Ä¡Ä“a (“yes, yea"). Compare Danish, Swedish, Norwegian jo (“yes"). More at yea.

    From Wiktionary

  • From you're, your, etc.

    From Wiktionary

Words Near Yo in the Dictionary