What Does "Busting" Mean?

Warning: Contains Mature Scenes not Suitable for young eyes.

Phineas and Ferb walked right by Candace's room, she heard screaming and odd sounds. Phineas shouted. "What are you doing Candace?" Candace replied, "I'm busting Jeremey!" and then told them to go away. Phineas asked Mom what busting means, he told mom that Candace was busting Jeremy if that helped explain the defention to him better. Phineas and Ferb's mom dropped the cake she was making in shock! It fell on Perry The Platypus, who was just sitting on the floor sleeping. She ran up stairs and screamed then yelled "Candace, your grounded for 2 WHOLE YEARS!!!!!!!!!!!!!!!!!'" Then Candace replied, "PHINEAS I'M GONNA KILL YOU!"'