nije šija nego vrat

1. colloq. ironic six of one, half a dozen of the other; tomayto, tomahto
   Porez ili taksa, nije šija nego vrat. — Tax or fee, it's six of one, half a dozen of the other.
   Kaže da nije kasnio, nego se zadržao. Nije šija nego vrat. — He says he wasn't late, just held up. Tomayto, tomahto.

Said mockingly: the speaker dismisses the distinction as merely verbal.