Someone who goes to shows/concerts, (usually Emmure fans) dressed like they're going to play Basketball.
They often times adopt a "gangster" demeanor, and will go out of their way to spin-kick, and 2-step towards you.
They're usually the semi-obese male with the crappy tribal tattoos and the fitted cap.
Always in possesion of their cigs, gym shorts, nike dunks worth more than their exsistence, brass knuckles they bought at a mall, generic band tee.
Bro-core kids will most likely be in a group, so if one of them moshes into you, prepare for a "fight" with anywhere from 2 to 67 other bro-core morons.
Chris: Dude, that show last night was sick!
Steve: Yeah, except for those bro-core assholes who kept slamming into us.
Chris: Leave 'em alone, that's what happens when retarded gangsters steal instruments.