The billionaire is annoyed that Beck is appearing on TV as a Trump 'expert,' and has begun tweeting at news presenters to set them straight

Donald Trump on Wednesday clobbered a female attorney who once tussled with him in a real estate lawsuit, saying she was a 'whack-job' who 'invented stories' out of revenge and 'really knows nothing about me' despite being featured in cable TV interviews about him.

Elizabeth Beck became a household name this week in conjunction with a story about a deposition Trump gave in 2011, during which he says she calmly announced her intention to operate a breast-milk pump while he continued to answer her questions under oath.

As Trump's political popularity gathers steam, news media have seized on every opportunity to tell and retell old Trump stories – and Beck has had her 15 minutes of fame.

Trump ultimately prevailed in a jury trial and was awarded $350,000 in legal fees, he told DailyMail.com in an exclusive interview on Wednesday.

'Let me tell you: She's a whack-job,' the pack-leading presidential candidate said in his spacious Trump Tower office. 'She was crazy! And she represented her clients very poorly.'

'SHE'S A WHACK-JOB': Donald Trump said Wednesday that lawyer Elizabeth Beck was lying about the circumstances of a 2011 legal deposition – during which, he says, she pulled out a breast milk pump and said she intended to use it while he answered questions

15 MINUTES OF FAME: Beck insists she was told the proceedings couldn't go into recess so she could pump breast milk, but Trump and his attorney say she was given ample opportunities for breaks and was just trying to throw him off-balance

TWITTER: Trump hammered CNN for giving Beck a one-sided interview, and the network later included his tweets in follow-up coverage

'Here's the bottom line,' he said: 'I won the case, and I got legal fees, okay? But she is now this "expert" on Donald Trump? She lost the case!'

Trump insisted that he would have had no objection to a recess so the attorney could operate her pump in private.

'If she needed a break to breast pump or whatever, I mean – well, that's unusual, we're in a legal proceeding – but you know I've had more unusual things happen,' he said.

'But I'll tell you what she wanted to do. ... She wanted to breast-pump in front of me during a deposition. And I said, "That is just horrendous that somebody can suggest that".'

Attorney Alan Garten popped into Trump's office to confirm that Beck had begun to aseemble the pump on the legal conference table.

'She was getting ready to put it on,' Trump told DailyMail.com.

'That's absolutely true,' Garten agreed.

'And I said, "What are you doing?"' the billionaire resumed. 'She said, "I'm going to breast-pump." She said, "I need milk." And I may have said "That's disgusting".'

'I may have said that,' Trump admitted. 'I'm not even going to deny that.'

'But give me a break, okay?'

Trump said the 2007 lawsuit had been a distant memory until Beck turned up on his TV screen during a political segment.

'She went on like she's this great authority on me,' he said, when 'I only sat in front of her for a deposition once.'

'COMING OUT OF THE WOODWORK': The billionaire said marginal figures from his past, like Beck, are cashing in on his political celebrity by claiming to be Trump experts

THE POWER OF 140 CHARACTERS: Trump uses if 3.38 million followers on Twitter to reshape the public narrative about events in his past, including the Florida lawsuit where his lawyers defeated Beck

He blamed CNN in particular for giving Beck a platform, but said he had used the power of Twitter to shame the network into putting her comments into context.

'I tweeted today' about her, he boasted, 'and they just put it on CNN – my tweets! That's the beautiful thing about tweets.'

'ASK ALAN GARTEN TO COME IN!' he shouts to an unseen aide.

While waiting for his attorney to come, Trump's mouth hardly skips a beat as he recounts his digital triumph like a play-by-play announcer.

'She's on at, like, eight o'clock – "Yes, Donald Trump, and he's this, and he's that, and he got very angry with me, and BUP ba BUP ba BUP".'

'So what happens ... This morning I'm tweeting, and I say Elizabeth Beck was an awful lawyer, and one of the tweets was that Beck lost the case and I got legal fees!'

'Now when you get legal fees,' he adds, 'that's really losing. Because very few judges will –

Garten saunters in. 'Did I get legal fees from Beck?' Trump asks him.

'Uh, $350,000,' he replies.

'I got three hundred and fifty thousand in legal fees! And it was a jury trial,' Trump goes on. 'We went through a jury trial and I was the primary witness. The jury came back unanimous in my favor. And she is now my expert?'

'But here's the beautiful thing.' Trump refocuses. 'I did three tweets.'

Trump was testifying in a lawsuit over a failed Florida real estate project in 2011 when Beck unveiled her breast pump during a deposition, agreed Alan Garten (left), Trump's attorney at the time

'HEY MEREDITH!' he shouts. 'GET ME THE THREE TWEETS ON ELIZABETH BECK PLEASE!'

'So I did three tweets.'

'GIVE DAVID THE FOUR OR FIVE TWEETS I DID THIS MORNING!'

'I tweet @CNN and @CNNpolitics, and .... they play her again later on, and they put in my tweets the second time! Like I tell them "you forgot to say that Elizabeth Beck lost the case. You forgot to say that Elizabeth Beck wanted to do breast pumping in front of me!"'

'She was sitting there like you,' he says again, for emphasis. 'She pulled out a pump!'

'But if I didn't tweet, what would I do?' he muses, slowing down the cadence of his speech for a sip of diet soda.

'I'd call you, I'd put out a statement maybe. And then what?'

'But I put it out there, and within five minutes of putting out a tweet, CNN puts it up on the thing. And I think I totally knocked her out of the box.'

Trump told CNN correspondent Dana Bash later on Wednesday that the stories Beck has told about him screaming at her durign the deposition are untrue.

'She made it up. She made it up,' he said. 'She's saying, "Oh, he was so violent and he was so, so wild and she was afraid".'

'She was afraid of nobody. She's a tough killer in Miami everyone knows she's a killer. They all hate her.'