A person with messy hair that they haven't brushed in 3+ weeks. (maybe they don't wash it either) it's so gross that birds lay eggs in it thinking it's a nest. kashkoosh guys often have a kashkoosh moustache or beard as well.
Person 1: Ew! That guy's hair looks awful.
Person 2: Right?! Must be a kashkoosh.
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'