What is the meaning of "like sardines in a can"?

The meaning of "like sardines in a can" is:

extremely crowded place


What is the definition of "like sardines in a can"?

The definition of "like sardines in a can" is:

extremely crowded place



"like sardines in a can" means

extremely crowded place

Example Sentences:

When I took the train during rush hour, it was like sardines in a can.

At the concert, I felt like sardines in a can because the place was so crowded.

Media and Links:

School of fish? Parents worry as 30+ packed like sardines in class

Sardines