The act of the male busting on a female's back then proceeding to rub his nuts in it. The male then proceeds to 'deep fry' his balls in the females mouth
Tommy: "Dude I heard you and Merideth had a little circus fun last night Joe"
Joe: "Yeah man, her favorite circus treat..deep fried cumballs"
is when you are getting head from a lady friend and you decide to ejaculate in her mouth, after this act she quickly sucks on one of your balls leaving all the cum on it in which resulting in a cumball