Definitions

1. noun

One of a pair of identical twins or similar individuals, typically seen as inseparable.

“The twins were often referred to as Tweedledee and Tweedledum in popular culture.”

2. adverb

In a playful or silly manner, typically used to describe the actions of Tweedledee and Tweedledum.

“The children played tweedledee and tweedledum in the park, laughing and chasing each other around.”