GIRLS who bear a uncharacteristically similar resemblance to one another. Usually can be spotted wearing similar clothing of the same style, livingparallel lives, using the same catchphrases, finishing eachothers sentences etc..
Damn, they spend a week together and are already turning into twinzie's.
Best friends, who have been friends for so long or have bonded so well, their chemical structure becomes aligned with the cerebreal cortex and creates a super being known as a 'binziez twinziez'.
Oh, they are such good friends, they are regular binziez twinziez