WASHINGTON — President Trump’s “big, beautiful bill” failed to get out of committee at the first attempt Friday — but will get a second chance this weekend — following opposition from GOP fiscal hawks who insisted the measure didn’t do enough to reduce the federal budget deficit.

Five Republicans — Chip Roy of Texas, Ralph Norman of South Carolina, Josh Brecheen of Oklahoma, Andrew Clyde of Georgia and Lloyd Smucker of Pennsylvania — voted against advancing the massive reconciliation measure out of the House Budget Committee, sending it to a 21-16 defeat.

“To be clear—I fully support the One Big Beautiful Bill (OBBB),” Smucker posted on X. “My vote today in the Budget Committee is a procedural requirement to preserve the committee’s opportunity to reconsider the motion to advance OBBB.”

Budget Committee Chairman Jodey Arrington (R-Texas) announced after the vote that the panel would will reconvene Sunday at 10 p.m. to consider the measure again.

“While there are still a few issues being resolved from members on and off the committee, moving forward with our Budget markup provided the clarification and catalyst we needed to keep us on track for final passage,” Arrington said in a statement.

“I am confident we will get to a good place this weekend and have the votes to pass it out of committee Sunday evening.”

“This bill falls profoundly short. It does not do what we say it does with respect to deficits,” fumed Roy, pointing to estimates provided by the nonpartisan Committee for a Responsible Federal Budget (CRFB) that projected a $3.3 trillion deficit hike over the next decade if the legislation becomes law in its current form.

If Trump’s agenda — which includes barring payments to the IRS based on income from tips, overtime or Social Security — are made permanent, the bill will add around $5.2 trillion to the deficit by 2034, the CRFB estimated.

“This bill has backloaded savings and has front-loaded spending,” Roy said. “We are writing checks we cannot cash, and our children are gonna pay the price. So I’m a ‘no’ on this bill unless serious reforms are made.”

Norman added that the $3.8 trillion in tax cuts were “great” but he was a “hard no” until curbs to Medicaid benefits given to both “able-bodied” Americans and non-citizens receiving emergency services were implemented sooner.

Those Medicaid changes won’t take effect until 2029, according to the current bill’s text, which was released by the House Ways and Means Committee on Monday.

In a Friday afternoon phone call, Republican leadership staff argued that the legislation had achieved its targeted $1.5 trillion in spending cuts and insisted that it wouldn’t juice inflation but would spur economic growth by axing Biden-era regulations.

A House GOP leadership aide told The Post that the bill won’t explicitly include “pulling Medicaid work requirements forward” or other last-minute fixes sought by lawmakers.

With the legislation already drafted, the aide explained, securing the votes of Roy and Norman will amount to whether they receive the right “assurances” through a handshake agreement with Arrington and House leadership.

Just three Republican committee defectors are needed to tank the budget resolution. If advanced, it could pass by a simple majority in the House and Senate due to a process known as reconciliation.

“Republicans MUST UNITE behind, ‘THE ONE, BIG BEAUTIFUL BILL!'” Trump had posted on his Truth Social en route back to Washington from the Middle East. “Not only does it cut Taxes for ALL Americans, but it will kick millions of Illegal Aliens off of Medicaid to PROTECT it for those who are the ones in real need.”

“The Country will suffer greatly without this Legislation, with their Taxes going up 65%. It will be blamed on the Democrats, but that doesn’t help our Voters. We don’t need ‘GRANDSTANDERS’ in the Republican Party. STOP TALKING, AND GET IT DONE! It is time to fix the MESS that Biden and the Democrats gave us. Thank you for your attention to this matter!”

The budget panel compiled Congressional Budget Office estimates that found taxpayers forked over more than $16 billion for illegal immigrants to obtain emergency medical services covered by Medicaid under the Biden administration.

During Friday’s call, staff told reporters that the 11 House committees involved in crafting the bill had either “exceeded” their targeted savings levels or reduced spending overall.

One aide highlighted how the provisions added into the bill based on Trump’s campaign promises were cutting taxes for 4 million tipped workers, 80 million employees on overtime shifts and enabling deductions for interest on car loans.

Small business owners and gig workers also get a permanent deduction of 23% of their income when filing their taxes. Other tax reforms could bring up to $2.5 trillion in investments back from overseas, GOP staffers said.

“You want to talk about the golden age,” the aide said, referencing Trump’s inaugural address in January. “This is what that is.”

The House Energy and Commerce Committee earlier this week outlined $900 billion in proposed cuts to spending and programs including Medicaid, in part by imposing work requirements.

“We successfully pushed back on New York’s Medicaid from being cut, the 50% match that they receive,” Staten Island Rep. Nicole Malliotakis (R-NY) told CNN Friday. “That was critical for me, to make sure we did not lower that, and some of these members want to see it be lowered, and we’re not going to accept that because our constituents rely … on the Medicaid program.”

Democrats have pointed to CBO estimates showing the bill could force up to 7.6 million Americans off their health insurance benefits under the program — but GOPers have countered that number includes up to 1.4 million illegal immigrants as well as millions more who are able to work or otherwise ineligible but still getting the benefits.

House Speaker Mike Johnson (R-La.) telegraphed optimism on Thursday following a meeting with fiscal hardliners and New York Republicans who are pushing for a higher state and local tax (SALT) deduction cap than the $30,000 limit laid out in the current bill.

“If you do more on SALT, you have to find more in savings. … We are trying to do this in a deficit-neutral way,” he said. “We’re very very close. … I’m committed to work throughout the weekend on it, others are as well. … We are still on path to pass this bill next week.”