Sentence:  But the realistic side stepped in &mdash; y'know, if you're on the point of giving birth, you don't really need a bunch of <WSD>grebos</WSD> playing some dodgy old music downstairs. 
Meaning of the word marked with <WSD> tags:  (predominantly West Midlands) A greaser or biker; a member of any alternative subculture, as opposed to a chav or townie.