1. Two (or three or four) teams of two (usually consisting of a guy and a girl but can be guy-guy or girl-girl) play Halo matchmaking Slayer. The team that is winning has one member (the one who is playing) receiving oral. When that player starts losing the oral stops and the new winner gets oral from their partner.
2. A Sex Game
"We played distraction halo last night and I won in multiple ways. ;)"