Noun
(Ireland) A boy or lad.
(sometimes derogatory) A stereotypically Welsh form of address for a man, usually younger than the speaker.
Source: en.wiktionary.orgA pesky misdemeanor warrant from an "other" agency put the skids on the good times of a Bandera Boyo - for a day at least. Source: Internet
“I was shocked to learn that Lovemore had secretly sold Boyo to Rollers. Source: Internet