1. to engage in an unspecified activity
2. used to emphasize a lack of restriction in referring to anything or amount, no matter what.
“whatevering is running a marathon, running a 5k, running farther than you did yesterday. Doing yoga, lifting weights, doing pilates. Eating well or eating too much. Getting big or trimming down. Getting in beach shape or getting in gamer shape. Working late, or sneaking out early. Having a coffee or having a cocktail. Skiing, snowboarding, skating, or surfing. Even rolling around in those awesome shoes with the wheels in them. Chilling out. Driving to work, biking to work, carpooling with that weird guy. For drinking water or drinking the kool-aid. Taking the trash out or making your kids do it.Anything and everything – or nothing at all.”