1. A kid whose friends are taller than him who happens to be more muscular than them.
2. A short dude who lifts weights.
3. A muscular midget
4. A midget who is actually pumping steroids into his system.
5. A term of endearment to the short-muscular guy in your group of friends (in the non-gay were totally cool kind of way)
Wassup Midget-On-Steroids?
Hey midget on steroids, man do you like eat steroids for breakfast?!?