To open a can of worms means to initiate a situation that is complicated, difficult, or problematic, often leading to unintended consequences.
When do you use "Open a can of worms"?
This phrase is appropriate when discussing topics or actions that are likely to lead to complications or difficulties, especially when someone is about to address a sensitive issue that could provoke further problems.
"Open a can of worms" Usage Examples
I didn't mean to bring up the budget cuts; I feel like I've opened a can of worms.
By asking about her past relationships, he really opened a can of worms that he wasn't prepared to handle.
The investigation into their finances opened a can of worms, revealing issues they had kept hidden for years.
When the teacher started discussing the school's policies, she opened a can of worms that led to a heated debate among parents.
Trying to fix the old car turned out to be opening a can of worms—every part seemed to need replacing.
"Open a can of worms" Explained
The phrase likely originates from the fishing industry, where a can of worms is used as bait. When opened, it releases the worms, which can easily escape and create a mess, symbolizing how opening a particular issue can lead to a complicated and messy situation.