bulksters
is any individual or group of people whose sole purpose is to breathe, eat and sleep fitness (gym workouts, health information, or supplements)
"Stacy, have you seen James recently, he has become quite the bulkster."
"John, look at those bulksters over there don't they motivate you to start a gym and get back in shape?"
"John, look at those bulksters over there don't they motivate you to start a gym and get back in shape?"