Presumably if he even had a plan it was to hop it immediately afterwards, get in his pod, and leave.
Although he was so pissed off at the time he probably hadn't actually given any thought to it. He gleefully would have blown himself up provided he also took out Kakarot in the process and therefore "won," and the light bulb certainly would not have even flickered until the both of them were standing in front of King Yemma's desk. With Goku getting his frequent dyer's card punched again, just to rub it in.
The DBZA canon hits the nail on the head much more succinctly: "That's it, everyone dies!"
