In this day and age, i seriously think that if a woman asked me back for coffee then 9 times out of 10, i would presume that coffee beans would not be the only things that would be grinded. Or- She grinded her hips against my....
came about through playing too much of the Tony Hawk's Pro Skater games (that's a skateboardingvideo game ladies and gents) and realising that "I did a grind" was too awkward to say.