Pork-chop is a kind of meat very delicious, made in Poland you can find those in european shops, or polish shops
guy1: hey dude i just ate some pork-chops guy2:lucky,they're very delicious
guy1:want some?
guy2: yeah sure,wonder were they made them?
guy1: prolly in poland
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."