England prop Kyle Sinckler was heard on the referee's microphone calling Australia players "f***ing snitches" during Sunday's test at Twickenham.
Sinckler's comments rubbed salt into the wound for the Wallabies after the ninth loss in 15 tests this year.
The "snitches" quip by Sinckler referred to senior Australia players who had gone to head coach Michael Cheika at the start of the week to inform him that Kurtley Beale and Adam Ashley-Cooper had broken team rules after their test defeat against Wales, inviting three women back to their hotel in Newport.
As a result, neither Beale or Ashley-Cooper, who boast more than 200 test caps between them, were considered for selection against England.