like two peas in a pod

[ Origin ]

It alludes to tiny peas in a pod which, more or less all look the same in size, color. They are also packed into the pod very tightly so; this idiom is also used to suggest two or more people being close or inseparable.

 

[ Examples ]

1. Those boys could be twins. They are like two peas in a pod.
2. Just like their mamas, the two boys hit it off like two peas in a pod.
3. Relationship and compromise are like two peas in a pod.