1. A "loose" female who has become involved, sexually, with a number of male mates. Plainly, she enjoys a variety of man-meats.
2. A homosexual male who behaves in a similar manner to the aforementioned female.
3. The general characteristics of "Meat-Samplin' Mac."
Wow! Did you see Andy trying to get on all of those dudes? He's such a meat-sampler!