Jonathan Arnott MEP criticised politicians in the UK who “haven’t accepted the result of the referendum” in a blistering tirade.
The Ukip General Secretary insisted the UK could negotiate trade deals with the European Union but called for full support from all MPs.
Speaking on Any Questions? he said: “We of course can negotiate a trade deal with the European Union, yes it may take time.
“The European Union at the moment is a little bit obsessed over the French elections and the German elections.
The Ukip General Secretary called for Remain politician's to support the government's Brexit stance
“We can negotiate a good trade deal with the European Union.
“What we must, must, must do, first though, is to make sure our politicians who haven’t accepted the result of the referendum stop talking our country down.
“Stop saying that we are not going to get a good deal.”
The MEP then began an analogy to explain exactly why British politician’s needed to get behind the Government to ensure Britain gets the best possible deal from the EU.
Politicians on the Remain side please do not talk our country down
He added: “If you are going out to try to buy a new car, if you bring someone with you who tells you, ‘you are never going to get a single penny piece off of the list price of that car’, what do you think is going to happen?
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“You’re going to find it much harder to negotiate that deal on the new car.
“So please, the politicians on the Remain side, who lost in the referendum, please do not talk our country down whilst we need to negotiate a good deal with the European Union.”
The Lib Dems have repeatedly called for a referendum at the end of the Brexit process to allow the people of Britain a vote on the final deal achieved by the government.
In pictures: Theresa May meets with EU's Tusk Thu, April 6, 2017
The two leaders held talks on Brexit negotiations
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European Council President Donald Tusk gestures to members of the media as he leaves 10 Downing street after talks with British Prime Minister Theresa May in central London
The Ukip politician then rejected the idea that the UK would have to keep its borders open for freedom of movement for a transition period to ensure the UK get a good deal.
He said: “I don’t believe that should be necessary. The EU has various trade deals with countries around the world.
“Only those in the European Economic Area is there any form of free movement and even there, in some cases, for example in Liechtenstein there are restrictions on that and in Switzerland there are moves towards that.
“There’s only really two countries across the world that have got any form of free movement deal with the European Union but there are dozens and dozens of countries across the world which have trade agreements.”