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The meaning of YO is —used especially to call attention, to indicate attentiveness, or to express affirmation. How to use yo in a sentence.

Yo is a slang interjection, [1] commonly associated with North American English and Philadelphia English. It was popularized by Italian Americans in Philadelphia during the 1940s.

Definition of yo exclamation in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

(colloquial) Shortened form of your. Yo sandwich only has bacon in it. Want some ketchup on that?

yo in British English (jəʊ ) sentence substitute an expression used as a greeting, to attract someone's attention, etc

Jan 31, 2026 · yo (Baltimore, colloquial) Generic third-person singular pronoun (primarily used in place of he and she).

What Does “Yo” Mean? “Yo” is a remarkably compact expression whose two letters carry layers of history, identity, and social nuance. Today most English speakers recognize it as the snap‑quick …

YO definition: 1. used as an informal greeting between people who know each other or as an expression of approval…. Learn more.

From Middle English yo, io, ȝo, yeo, yaw, variant forms of Middle English ya, ye ("yes, yea"), from Old English ġēa ("yes, yea"). Compare Danish, Swedish, Norwegian jo ("yes").