Uuuuhhh, as you can see...shes not in a Locker room...so ignore that lol. But! This is the concept (and ill try and add a couple more dudes in to make it seem like she really just trying to guzzle down everyone in the gym after their workouts. Lighting highly subject to change as well.

Maybe ill experiment with liquid sims for this one. And I think I want to try covering her face with cum. Real messy like. Also i gotta figure out how to get her top folded up exposing her breasts. Which might be tough for a newbie to Blender.