singing/humming the "Jaws" theme while sneaking up or following someone, consists of going "duh nah, duh nah, duhnah....duhnah nah nah nah!!" and is often ended very dramatically. is used to ether frighten or amuse.
you see your friend stocking shelves at work, so you sneak behind him while going ""duh nah, duh nah, duhnah....duhnah nah nah nah!!" getting louder the closer you get. That is what "Jawsing" is
Cigarette: Northern slang for a cigarette, used oft by mashed up mancunian ravers becasue of the resemblance of a hot(electric)stove to the end of a lit cigarette. Originated circa 1991 in the early halcyon days of the rave culture; we speculate during a drug fuelled hallucination by said manc.
'fuck me noel, i am bolloxed, is that a ciggy in your mouth, or the stove from me 'nans kitchen'/
General use: 'Give us a stove you cunt'