This is term that labels a males penis. It was created with the belief that sex cures the occassional headache or illness of both sexes. It combines the idea that the penis is also known as meat or stick in a males pants. In addition, sex is the miracle act of cureing minor health problems such as headaches, stress, blue-balls, and many other illnesses that can be cured by a great session of sex.
Last night my women was bitching about her headache, so I gave her a dose of medicated meatstick and PRESTO! she was cured!