Presidential candidate Andrew Yang Andrew YangBiden's latest small business outreach is just ... awful Doctor who allegedly assaulted Evelyn Yang arrested on federal charges The Hill's Campaign Report: Biden weighs in on police shootings | Who's moderating the debates | Trump trails in post-convention polls MORE promised he will do something "big" and "unprecedented" while on the debate stage Thursday.

A senior campaign official told NBC News that the Democratic presidential candidate has a surprise planned for the debate but would not reveal what it was.

Yang will take the stage along with nine other candidates, including former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE, Sen. Bernie Sanders Bernie SandersSirota reacts to report of harassment, doxing by Harris supporters Republicans not immune to the malady that hobbled Democrats The Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election MORE (I-Vt.) and Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.) who have been leading the polls.

ADVERTISEMENT

The businessman has been joining the fun on Twitter as people speculate what the candidate is up to, hinting about wearing crowdsurfing sandals and tweeting that "ninja-style headwear makes everything cooler."

For those wondering I will be crowdsurfing in sandals at Thursday’s debate. — Andrew Yang (@AndrewYang) September 11, 2019

It seems to me that ninja-style headwear makes everything cooler. — Andrew Yang (@AndrewYang) September 11, 2019

ADVERTISEMENT

Two words for the debate stage tomorrow night: Gold chain. — Andrew Yang (@AndrewYang) September 11, 2019

He also replied on Twitter to a statement from Trevor Noah Trevor NoahFauci: 'Divisive nature' in US hampering coronavirus response Ted Cruz: 'Many liberal males never grow balls' Overnight Defense: House chair announces contempt proceeding against Pompeo | Top general says military has no role in election disputes | Appeal court rejects due process rights for Gitmo detainees MORE in a "The Daily Show" video, where the comedian said Yang will "have to keep escalating your stunts."

Yang responded, "Don't worry @Trevornoah, we've got something big in store! @TheDailyShow #StayTuned #DemDebate."

The promise has sparked a wide variety of theories on what the surprise could be.

still hoping that in the middle of tonight's debate andrew yang says "check your phones" and we all have a thousand dollars in our venmo accounts — rachel syme (@rachsyme) September 12, 2019

Any good guesses as to what @AndrewYang's "big, unprecedented" move on tonight's debate stage will be?



Part of me wonders if he's going to drop out and endorse another candidate right there on stage. Don't aggressively @ me, Yang Gang...I'm genuinely curious. #DemocraticDebate — Jarrod Wiggins (@JarrodWiggins) September 12, 2019

10:1 Yang makes it rain on the audience

8:1 Yang dabs on stage

5:1 Yang livestreams the debate from his phone

3:1 Yang takes a knee during the anthem

2:1 Yang crowd surfs https://t.co/RV9IP5uZ1i — Peter J. Hasson (@peterjhasson) September 11, 2019

A spokesman from the Yang campaign confirmed the announcement will be in the opener.

Yang has been receiving increased attention and higher polling numbers in the past week. He also said earlier this week that he would "school" President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE in a one-on-one basketball game.