The Foreign Secretary and Andrew Gwynne knocked over the Sky News microphone, as the pair rowed during an interview.
Mr Johnson began questioning the Labour politician before the pair began shouting over each other as Mr Gwynne was left calling the Tory a “pillock”.
The Foreign Secretary began: “Here we are, my friend Mr Andrew Gwynne has requested a joint appearance and I am not one to try to crowd him out.
“My question to Andrew Gwynne is, does he want immigration to be higher or lower as a result of Brexit.”
Andrew Gwynne was forced to call Boris Johnson a 'pillock' during the fiery encounter
The Labour politician stepped in and began answering the question before he was quickly stopped in his tracks by the Foreign Secretary.
Mr Gwynne said: “Well I am at a disadvantage here but you know that we want managed immigration”.
Mr Johnson snapped back insisting he was “not hearing an answer”.
The Foreign Secretary then began quizzing the Labour politician on whether the Party were planning on leaving the customs union if they were elected in the June 8 vote.
Can you leave a list of the countries you have not upset
Mr Johnson added that he “asked him this last time” before he appeared to push to Labour politician into the microphone.
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“I’m sorry, go on, go on,” Mr Johnson replied.
The Labour politician then snapped at the Tory telling him: “Don't be a pillock”.
Mr Gywnne attempted to bring up the Conservative's policy on winter fuel allowance before the Sky News host attempted to interrupt the debate.
The pair continued to row despite the presenter attempting to guide the conversation before they turned on each other over Brexit.
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Mr Johnson raged: “I think what we have heard from the Labour Party is that they are simply unable to accept the prospect of taking us out of the EU.
“You would not accept a deal in the interests of this country.”
Mr Gwynne criticised the Conservative politician for his views that “no deal is better than a bad deal,” before he took one final dig at the Tory.
“You’ve upset most of the European Union Boris, can you leave a list of the countries you have not upset,” he fumed.