When your friend ejaculates on his female counterparts torso, and then a second party enters and unknowingly kisses the torso of the same female. Thus resulting in the first male's semen in the second's mouth.
Is a new way of goalkeeper, Manuel Neuer is an example of a sweeper keeper, sweeper keepers usually defend out of the penalty area,
"Cristiano Ronaldo had a break away into Bayern's Half and Manuel Neuer comes out of his Penalty area to defend the box he played the role as a sweeper keeper"