A gym bunny is someone who spends large amounts of time working out for the sole purpose of 'looking ripped'. Can be male or female, always extremely vain and superficial. Prevalent in California, which should come as no surprise since this state is a magnet for all the nation's nutjobs and screwups.

The difference between a gym bunny and someone who just works out a lot is the latter exercises to be able to do physical stuff like move heavy objects on a regular basis, whereas the gym bunny does it exclusively for visual reasons and probably couldn't do anything with those perfectly toned muscles if they had to.

a female with more tits than knowledge about exercise, who wears the most expensive gear out there, and only goes to the gym to "do abs" and cardio

A girl who goes to the gym for the sole purpose of looking for dick and not to workout.

- A (often gay or bisexual) man obsessed with his own body. His days are spent working out for his next circuit party, taking GHB, and doing steroids. Usually gym bunnies have low IQ's, and high opinions of themselves. Outside of the gym, gym-bunnies congregate in large gay disco's, circuit parties, and bath-houses.

A person (male or female) who spends time at a gym or in an environment made for working out. The amount of time varies based on factors impacting their free time.
Rather than workout to become stronger and build muscle mass, they focus on toning their body and defining their features, mainly the waist, buttocks, and legs.

They can be spotted wearing tight and/or short clothes that accentuate the curves of their body.
Gym bunnies are also commonly obsessed with healthy eating, but are not one to openly judge others.
They are normally perky or sarcastic in personality, and there is little to no in-between. A gym bunny will often just avoid people who they have had negative interactions with in the past.
A gym bunny can make a great friend or workout partner, as they gently nudge you to push a bit further to better yourself without coming across as rude or pushy.

A highly attractive female who performs exercises outside the realm of calisthenics and cardio; often squats more than the "everyday-is-an-upper-body-day" male. Not to be mistaken with the Amazonian or Cardio Bunny.