One who is deliberately having unprotected anal sex in order to be infected with HIV, particularly if his lover has it. This is done to show true love and devotion in the gay union or to commiserate (share the pain of HIV) with his lover.
Bob was infected with HIV before he met Ray. Ray was so in love with Bob that he wanted to experience everything with his lover, including HIV.
Describes a person trying to acquire HIV
The doctor said, "This patient is regularly having unprotected sex with different partners. He might be a bug chaser."