A sexual act that includes anal sex where the penis causes the receiving anus to bleed. The penis then become saturated with blood and feces. The receiver then preforms oral sex on the saturated penis until it ejaculates. Therefore, a triple Sunday consists of three ingested ingredients : Blood, Feces, and Semen.
This act is more common among homosexual males than it is between during heterosexual intercourse.
"Hey boy, let me give you a triple Sunday."