Wurt
An explosive vocalisation, as a form of expressing happiness, anger, surprise or simply as abuse. Wurting is also inclusive of such variations as "Screet", "Sturt", "muhrt", "lurt", and even words such as "scribididurt".
Jamie - "oh hey man - WURT!"

Dylan - "whats happening, some fuck head just cut me off "STURRRT!"

Jamie - "what a fag, i won the lotto the other day"

Both - "LUUURRT!"