Barney= fight

Borassic= (Borrassic lint)=skint= without funds

often I would bunk of school= play hookey I think it's known as in the states

there is also Barnet Fair= Hair
ex: He's gone to get his barnet cut.

I used to give my adult student a class on cuss words and they used to think it was great, this was an extention of slang and colloquialisms lessons that I was giving to advanced students.