가재는 게 편이라더니 · 가재는 게 편이에요
birds of a feather stick together; people side with their own kind
Example
가재는 게 편이라고, 선생님들끼리 서로 감싸 줬어요.
Birds of a feather stick together; the teachers covered for each other.
Word parts
Literally 'the crayfish takes the crab's side' — look-alike creatures stick together.