Triple M breached decency rules when the radio station broadcast former presenter Marty Sheargold's "derogatory" and "sexist" comments about the Matildas, the Australian Communications and Media Authority (ACMA) has found.

Sheargold left the station and his show was cancelled in February after the 54-year-old said he would "rather hammer a nail through the head of my penis" than watch the Matildas play in the Asian Cup next year.

He also said the team reminded him of "year 10 girls".

"All the infighting and all the friendship issues, 'the coach hates me and I hate bloody training and Michelle's being a b----'," he said at the time.

"Now I'm sorry to undermine the whole sport, but that's what I think of it, so you can stick it up your a--"

Following a months-long investigation, the AC

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