Lyric discussion by ThE_VANDAL 

Cover art for The Old School Off The Bright lyrics by Mighty Mighty Bosstones, The

well it makes mention of a lot of subcultures for starters

"Bring in the skins, with the pins and the patches on their flights" - skinhead reference (easiest to pick out since I am one)

dunno what rovers are shrug, but it's a reference to a group of people, much like "trouble-makers" and "the boys"

then it goes on to pick out ethnic types, and then it goes into a lot of other stuff.

just a lot of things involving groups of people. maybe the song is about unity?, I dunno. I do know it has somthing to do with a group of people