Gov. Chris Christie threw a jab at Sen. Marco RubioMarco Antonio RubioRubio calls on Biden to allow Naval Academy graduate to play in NFL Florida governor adept student of Trump playbook White House denies pausing military aid package to Ukraine MORE (Fla.) during Thursday's GOP presidential debate, telling him he "blew it" on a question.

Christie jumped in following a long, detailed discussion on taxes between Sen. Ted CruzRafael (Ted) Edward CruzWhite House denies pausing military aid package to Ukraine Ted Cruz says critical race theory is as racist as 'Klansmen in white sheets' Pentagon pulling 'certain forces and capabilities,' including air defenses, from Middle East MORE (Texas) and Rubio, saying they had ignored the actual question, which was on entitlement programs.

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"I'd like to interrupt this debate on the floor of the Senate to actually answer the question you asked, which was on entitlements," Christie said.

Rubio interrupted and said he would now answer the question, but Christie cut him off.

"You already had your chance, you blew it," Christie said.

While the crowd booed Christie's response, Rubio remained silent and Christie kept speaking.

"The reason why no one wants to answer entitlements up here is because it's hard. I'm the only one on this stage who, back in April, put forward a detailed entitlement reform plan that will save over $1 trillion, save Medicare, save social security, and avoid what Hillary Rodham Clinton will do to you," Christie said.

"She will come in and raise Social Security taxes. Bernie SandersBernie SandersThe Memo: The center strikes back Sanders against infrastructure deal with more gas taxes, electric vehicle fees Sunday shows - Voting rights, infrastructure in the spotlight MORE has already said it, and she's just one or two more poll drops down from even moving further left than she's moved already to get to the left of Bernie on this."