The former deputy prime minister was accused of ignoring the voting majority as he and his party take their General Election campaign pledge to stop Brexit into its final day.
Ending his tour in Oxford on Wednesday night, he will say: “If you don’t like the deal you’re being offered, you should be able to reject it and choose to remain.”
Appearing on BBC News to discuss the election, Mr Clegg was challenged over the latch ditch bid to scupper the referendum.
Nick Clegg was skewered over his attempts to derail Brexit
You are quite happy to ignore the fact that most people in this country said they want out of the EU
The Remainer accused the Prime Minister of “running to the hills” after failing to offer “anything substantive” about Brexit during her own campaign.
Host Charlie Stayt blast: “Your party has made it very clear that you are prepared to ignore the first – I say the first – the referendum on Brexit.
“You are quite happy to ignore the fact that most people in this country said they want out of the EU.”
Mr Clegg responded claiming despite “regretting” the decision “it must stand”, adding: “There will be a considerable amount of time and a huge gap between what was promised to the British people.
“£350million for the NHS, remember that? VAT cuts and economic utopia, the reality of the detailed content of any deal that Theresa May brings back if she’s Prime Minister, and indeed Jeremy Corbyn, then the question becomes not having a second referendum but having a first look and a first referendum on the actual deal itself.”
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The Lib Dem candidate then reaffirmed his party would not enter into an “alliance” with Labour in the event of a hung parliament after Thursday’s vote.
Mr Clegg claimed he expected the Conservatives, despite not deserving it, will secure the majority in the House of Commons and form a government for another term.
Snap election 2017: The pictures politicians may not want you to see Sat, May 27, 2017
Protests, fights and daleks, it's all happening as the politicians hit the campaign trail for the snap election
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Jeremy Corbyn during a visit to Hackney Marshes Football Pitches, to highlight Labour's manifesto commitment to ensure 5% of the Premier League's television rights income is diverted to the grassroots game, during a General Election campaign
Mr Farron has claimed Mrs May’s election victory will be marred by a “Black Wednesday-style” crisis within months.
“She may win a landslide like Margaret Thatcher but, within a matter of months, she will be in the same sort of mess that John Major and Norman Lamont were in after Black Wednesday,” he told The Independent.
“Early on, it will become clear that any free trade deal hinges on adjudication by the European Court of Justice – and I can’t see how she has any wriggle room, politically, to deliver that.”