A sexual act were one man is designated as the bottom bun. Another man lies over the bottom bun placing his dick inside the ass of the bottom. This act is repeated creating a chain of men stacked on top of one another with their dicks inside the man below them until a top bun is designated. This act is completely straight and not homosexual at all.
The act of one male performing oral sex on another male as an act of friendship, usually while incarcerated or during an extended period in which female companionship is not readily available.