Cockney slang; a combination of the words bruv and gov'nor.
Abbr: Br'ner
"Oi, bruvner, nice day out innit?"
"A thousand pardons, my good bruvner"
Abbreviation of the word bruvner.
"Br'ner Johnson: Attorney at Law"
The act of wearing your pants no longer than mid calf in order to display your high socks.
Friend 1: "Get a load of that bruvner over there!"
Friend 2: "Oi, mate, he sure is high sockin' today!"