A cyclist who launched an expletive-laden tirade at an elderly female driver has received a 12-month good behaviour bond.

Brian Ward represented himself in court on Friday where he pleaded guilty to using obscene language after a furious encounter in Brunswick, in Melbourne's inner-north.

But despite his plea, Ward still argued with the magistrate in court that the word 'f***' is not obscene, 9 News reported.

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Cyclist Brian Ward (pictured) received a 12-month good behaviour bond on Friday after he launched an expletive-laden tirade at an elderly female driver in Melbourne's inner-north on June 17

Ward represented himself in court, where he pleaded guilty to using obscene language after the furious encounter in Brunswick (pictured)

Ward had recorded his journey down Sydney Road on June 17 when the 61-year-old driver began to pull into traffic.

He then unleashed on the unsuspecting woman - who had a young child in the back seat - saying: 'Hey look, f***wit, get off your f***ing phone.'

Ward told the woman to get off her 'f***ing phone' a further two times, before he lifted his bike up and kicked the car's bonnet.

'You're on your phone, which is illegal while you're driving. I'm filming you, I'm filming you. I've reported you to the police. You're a dangerous driver, you f***ing moron,' Ward continued to yell.

In court on Friday, Ward attempted to justify his actions and told magistrate Jon Klestadt that his charge was 'vague'.

Despite his plea, Ward still argued with the magistrate in court that the word 'f***' is not obscene

Ward had recorded his journey down Sydney Road on June 17 when the 61-year-old driver began to pull into traffic

Ward unleashed on the unsuspecting woman - who had a young child in the back seat - saying: 'Hey look, f***wit, get off your f***ing phone'

'Given how subjective and vague the charge is, the concept of obscenity is not defined by the law,' the unemployed cyclist said, 9 News reported.

Magistrate Klestadt disagreed, telling Ward 'it's all about context' and what is regarded as obscene in once place will not always be true in another.

Ward then told a Nine journalist outside court that he 'won', before threatening to charge her with harassment.

Meanwhile, the man's road rage victim was given an infringement for using a mobile phone while driving.