Bouncing off of a girl's (or guy's, whatever you're into) ass as you have sex with them from behind. Whether it's anal or vaginal intercourse is completely irrelevant.
"So what did you do last night, dude?"
"Oh you know, just hung out with Stacy's mom and was poking the pork chops."
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'