Bedeutung von “boil over” — Learner’s Dictionary

boil over

phrasal verb with boil us uk /bɔɪl/ verb [ I, T ]
LIQUID

If a liquid that is being heated boils over, it flows over the side of the pan.

SITUATION/FEELING

If a difficult situation or bad emotion boils over, it cannot be controlled any more and people start to argue or fight:

Finally her anger boiled over and she started hitting him.

(Definition von “boil over” aus dem Cambridge Learner's Dictionary © Cambridge University Press)