bust on someone
v. phr.— «Their story is that Christian picked up the gun at the home of his girlfriend, Laurene Landon. He told Cheyenne he was going to “bust on” her lover. Christian walked into his father’s house, started arguing with Drollet and then murdered him.» —“Christian Brando’s Troubled Life” by Jeff Gottlieb San Francisco Chronicle (California) Oct. 2, 1990. (source: Double-Tongued Dictionary)
Further reading
In 1968, students at Cheyenne High School in Cheyenne, Wyoming, compiled a collection of their own slang, including the word Clyde, used to refer to one’s head, as in Use your Clyde! This is part of a complete episode.
Related
Louie from Black Hills, South Dakota, recalls the time his girlfriend fell off a paddleboard and into a lake, at which point his father declared She bit the farm! This peculiar locution is most likely his dad’s own combination of two...