When a good looking and manipulative girl takes advantage of a male's financial situation by having him pay dinners, Vodka bottles, nightclub entrance fees, and other social activities (including holidays). Churning girls tend to be found in nightclubs and high-society parties.
Jon: I had dinner last night with that girl Sara I met at Pacha on Saturday
Nicolas: Did she offer to pay half of the bill?
Jon: No, I had to pay in full big time and she ordered the most expensive bottle of Champagne on the menu. I totally got churned bro'
Nicolas: Dude, that's mad churning...