0 someone who spends a lot of time exercising in the gym, and who cares very much about the shape and condition of their body:
There was no way I'd ever be gym bunny enough to be in that good shape again.
Exercise will, of course, help keep the buttocks tight but you don't need to be a gym bunny to see an improvement.
The character he plays is a gym bunny with a bleached fringe and tight T-shirts.
"Exercise is where I go to clear my head." "You're a gym bunny?" "I am now, and I cycle, too."
