I think I remember them from the late 70s! Quite small lads iirc. And it wasn't just match days when they were pissed, in fact I never met them when they weren't! (We were all members of Broadwater WMC).
Anyway, no I don't think it was anything to do with them as they were about my age. I think...
Back in the 1960s when I was a boy standing on the chicken run, I do remember one game when a man kept shouting out "Come on the twin towns!" I can't remember the match or the result, but that has always stuck with me. Never heard it before or since. Not sure whether it was something fans used...