Those poeple who are defined as 'moshas' by chavs/townies just like to listen to the insults and subtly outwit them and/or just walk away thinking how childish the chavs really are.
Anyone with hair that grows longer than their ears are usually called 'moshas' by chavs/townies and are told to "get a fukin hair cut, fukin mosha"
A "mosher" could be referring to someone who involves themselves in mosh pits in rock concerts, but it is most commonly used as a chav insult to anyone who listens to "mosha music" (i.e. anything that isn't in the charts)
Alt: alright mate?
Chav: YOU FUKIN TORKIN TO ME BUTT? I'LL FUKIN AVE YOU NOW!
Alt: Pull your trackies out of your socks, put your cap straight and piss off.
Chav: GO GET A FUKIN HAIR CUT FUKIN MOSHA!
(alt walks away laughing quietly)
A mosha by definition is a child between the ages of 5 and 18 who is a. made to wear hoodies and baggy pants by their parents cause its 'the new trend' or b. retarded.
How to spot a mosher:
-Wears baggy pants/jeans, black hoodies with bands names/strange lyrics, studded wristbands and beany hats
-Has hair in a wide spectrum of styles, ranging from long and greasy to the classic faux-hawk.
-Listens to nu-metal, emo and hardcore. Not to be mistaken with headbangers
-Refuses to speak to 'outsiders'
-Constantly praise individualism, yet dresses alike
-Paints fingernails and eyelashes
There is a 90% chance that anyone being hassled by a chav is a mosha