He probably figured that would really make you blow your top.
How did I know he was going to blow his top?
He was working through a thought, trying to keep from blowing his top.
If the teacher finds out you have not been in class he will blow his top.
"But it looked to me as if he were about to blow his top before Earl took over."
Then suddenly he blew his top while walking down the street one day.
If the race manages to keep from blowing its top for a few million years, maybe we'll begin to find out some things.
You can depend on a woman, he reflected, to blow her top at the wrong moment.
Now maybe I can talk about what happened without blowing my top.
Two days later, the No 3 reactor building blew its top.
Idiome