The Meaning of this word Dates back to the mid 2000s in he north west of England.
Not in the traditional way (to describe a rough edge) this word can be used by unoriginal and pathetic indiduals trying to live the dream and fit in with a certain class (usually working class)
This words use came to be used instead of the conventional word for Burning someone with a funny or Whitty comment.
PAL: I don't think that will fit in there.
PAL2: That's what your mum said last night
GAZ: BURR!