onslow
Onslow is a term given to a middle class privately educated teenager who pretends to be part of the working class. 
 "Onslows" are often seen wearing nike trainers two sizes two big, coupled with labelled grey jogging bottoms (adidas, nike, kangol are common brands) and a visior, from which gelled hair can be seen. Onslows often bop for no apparent reason. They also but on fake Watford style accents, favorite terms "owite?" "rightman?" etc.
"Oi, onslow, do your maths homework before you go to destiny otherwise you'll get a detention!"