a new term for masturbating. Or another term for a handjob.
Example A:
Jim: Dude, I still have no girlfriend.
Eric: So what have you been doin now?
Eric: You've been pulling your pork haven't you?
Jim: Yes, and I know it's pathetic.
Example B:
Mark: Dude I just got back from being back with my girlfriend
Tom: Did you get a bajowski or was she pulling your pork?
Mark: She started pulling my pork!