Definition of twinsies in US English:

twinsies

plural noun

humorous
  • Two people or things that are extremely similar, particularly in appearance.

    ‘you two are total twinsies’
    as modifier ‘there are more twinsies moments where that came from’

exclamation

humorous
  • Said when two people or objects have similar or identical appearances.

    ‘she was dressed in blue jeans and a gray sweater with her hair also up—twinsies!’

Pronunciation

twinsies

/ˈtwɪnziz//ˈtwinzēz/