Pick up the yarn strand between the st on your right and left needles. Purl into it so it makes a twisted st (so there won't be a hole) and you've got it. There's a video on the increases page for the purl below the M1 knit.
I get confused by the explanations and acronyms. I am also very forgetful right now so the fact that I have actually seen and done this stitch before had totally slipped my mind replaced by a big ? ! Thanks for the answer!