The expression "popped one's cork" means to lose one's temper or become extremely angry. If you're looking for synonyms to this phrase, there are several options to choose from, including "blew one's top," "went ballistic," "lost it," "flipped out," and "flew off the handle." Each of these phrases describes a similar state of rage or frustration that can occur when someone becomes overwhelmed or infuriated by a situation or person. Other possible synonyms for "popped one's cork" might include "had a meltdown," "burst a blood vessel," or "blew a fuse," all of which suggest a sudden and intense outburst of emotion that can be difficult to control.