The ex-Labour premier this morning used a major speech to call for a “movement” to “rise up” and persuade British voters they had made an incorrect decision by backing Brexit on June 23 last year.
But the Foreign Secretary, the figurehead of the Vote Leave campaign during the EU referendum debate, told Mr Blair he was “insulting the intelligence” of the UK public to claim they had got it wrong.
He also mocked Mr Blair’s message by urging the British people to instead “rise up and turn off the TV next time Blair comes on with his condescending campaign”.
Speaking from a security conference in Munich, Mr Johnson told Sky News: “This is a discussion we had most of last year and it came out very firmly in favour of leaving the EU.
“Everywhere I go I find people who admire UK democracy, admire British democracy and very much admire the British people last year for sticking up for their democracy.
“Everywhere I go round the world I meet people who think Brexit is going to be a spectacular success, exactly as the Prime Minister, has said and who are queuing up to help us to make it a spectacular success.
“We heard all these arguments last year, not a thing has changed and I think it really is insulting the intelligence of the electorate to say that they got it wrong.”
Boris Johnson mocked Tony Blair's call for the British people to 'rise up' against Brexit
This is the guy who dragooned the UK into the Iraq War on a completely false prospectus
Mr Blair had earlier accused the Government of pursuing “Brexit at any cost” as he claimed the British public had voted with “imperfect knowledge” last summer.
But Mr Johnson pointed to how the UK electorate had already ignored “all sorts of absolute claptrap about the economic consequences of leaving the EU” in the run-up to the referendum.
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The Cabinet minister also savaged Mr Blair’s record in 10 Downing Street as he spoke ahead of his talks with fellow foreign and defence ministers on the threat posed by instability across the Middle East.
The Foreign Secretary said: “Our country the UK has a phenomenal future and people are waking up to that.
“As for Tony Blair, whatever his merits as a former prime minister, this is the guy who would have taken our country into the euro with what would have been catastrophic consequences.
“This is the guy who dragooned the UK into the Iraq War on a completely false prospectus with consequences that foreign ministers here are still trying to deal with.
“So I respectfully say to Tony Blair and those who call for the British people to 'rise up' against Brexit – I urge the British people to rise up and turn off the TV next time Blair comes on with his condescending campaign."