Freddie Mercury poisoning is a sexually transmittable contagious virus also known as HIV, that can lead to AIDS.
Freddie Mercury Poisoning is interchangeable for either HIV or AIDS.
The term is derived from the musician, lead singer of the band Queen, Freddie Mercury and his passing due to complications of having AIDS. Since HIV can become AIDS It is included in what Freddie Mercury Poisoning is.
Other related words:
Skinny, ninja, silent killer, prison plague, human immuno virus, and aquired immunodeficiency syndrome.