The meaning of yo is —used especially to call attention, to indicate attentiveness, or to express affirmation Definition of yo exclamation in oxford advanced american dictionary How to use yo in a sentence.
Queen Kong in Deathstalker 2
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 to place emphasis on or to direct focus onto a particular individual, group, or issue at hand, or to gain the attention of another individual or group.
Yo is an interjection that is used for getting someone’s attention, greeting someone, or expressing strong feelings
Yo is also used to mean “here” or “present,” as in response to a roll call. Yo in british english (jəʊ ) sentence substitute an expression used as a greeting, to attract someone's attention, etc
