Nayoung Is A Bad Mamma Jamma (Drew Made Me A Video Lol) My brother Drew is making videos in his exile. And he made one for my favorite idol Nayoung! The most amazing girl in the world. PRISTIN's Nayoung. She's sexy. She's cute. She can smash Korean beer cans. (See below) It's says she's a bad mamma jamma so it must be true. In case you've had enough sexy Nayoung. Here's her being cute.