Williams took a shot at Wallabies coach Michael Cheika on Twitter after yet another big loss to New Zealand in Wellington on Saturday night .
Williams is sidelined after tearing his achilles tendon while playing for the All Black Sevens side at the Rio Olympics earlier this month .
Williams , who is sidelined after tearing his achilles tendon while playing for the All Black Sevens side at the Rio Olympics earlier this month , took a shot at Wallabies coach Michael Cheika on Twitter after yet another big loss to New Zealand in Wellington on Saturday night .