Definition
A boy or young man; often implying boisterous, laddish, macho behavior and matey banter.
Examples
"He’s a proper lad, always cracking jokes and stirring up banter down the pub."
"The lads are off to the footy, pint in hand and full of laddish bravado."
"Ignore the showing off—he’s just a young lad trying to impress his mates."