To Accidentally Hit Your Balls Really Hard.
Hey Tony I Saw The Funniest Shit, Some Guy Was Grinding Down A Rail On A Skateboard And Fell Off And Busted Nuts.
combination of the word "busted" meaning "overly good" (syn. "imba") and the word "nuts" meaning "the best possible thing".
In short, it means something that is of exceptionaly quality.
"Medics are the busted nuts"
"The Uzi is the busted nuts"
"Glare of Subdual is the busted nuts"
"I will bust your nuts"