noun, plural boy·os. Irish English, Australian Informal.
Origin of boyo
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British informal a boy or young man: often used in direct address
Word Origin for boyo
from Irish and Welsh
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