yo

[ yoh ]
/ yoʊ /
|

interjection

(used as an exclamation to get someone's attention, express excitement, greet someone, etc.)
here; present: used especially in answer to a roll call.

Origin of yo

late Middle English word dating back to 1375–1425

Definition for yo (2 of 2)

y.o.


year old; years old.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for yo

British Dictionary definitions for yo

yo

/ (jəʊ) /

sentence substitute

an expression used as a greeting, to attract someone's attention, etc

Word Origin for yo

C20: of unknown origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for yo

yo


as a greeting, 1859, but the word is attested as a sailor's or huntsman's utterance since early 15c. Modern popularity dates from World War II (when, it is said, it was a common response at roll calls) and seems to have been most intense in Philadelphia.

Online Etymology Dictionary, © 2010 Douglas Harper