A growing number of Senate conservatives are coming out against the mammoth government funding bill as Congress barrels toward the third potential shutdown of the year.

Several GOP senators announced on Thursday that they would oppose the measure, blasting it as wasteful spending that will blow a hole in the deficit.

"Government by last minute, take-it-or-leave-it spending bills with no time for debate or amendments allowed. This is no way to run a government," Sen. Mike Lee Michael (Mike) Shumway LeeMcConnell shores up GOP support for coronavirus package McConnell tries to unify GOP Davis: The Hall of Shame for GOP senators who remain silent on Donald Trump MORE (R-Utah) said in a Facebook post.

Sen. Ted Cruz Rafael (Ted) Edward CruzThe Hill's Morning Report - Sponsored by Facebook - Washington on edge amid SCOTUS vacancy Murkowski: Supreme Court nominee should not be taken up before election Battle lines drawn on precedent in Supreme Court fight MORE (R-Texas), a perennial "no" vote on spending matters, announced in a statement that he would also oppose the measure.

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“The disastrous elements of this bill are almost too numerous to list," he said, adding that it was "drafted by the swamp in the dark."

The bourgeoning opposition isn't expected to sink the measure. But it underscores the division within the Republican Party when it comes to spending.

Sen. James Lankford James Paul LankfordMcConnell works to lock down GOP votes for coronavirus bill Charities scramble to plug revenue holes during pandemic Warren calls for Postal Service board members to fire DeJoy or resign MORE (R-Okla.) called the more than 2,000 page bill "another symptom of Washington’s sickness" and "no way to govern."

“Washington has reached a new low. ... This is beyond pathetic. It is irresponsible, and a danger to our Republic," said Sen. David Perdue (R-Ga.).

Perdue's statement came hours after he told reporters that he was undecided on whether or not he would oppose the bill, noting it includes additional defense funding.

Congress has until midnight Friday to pass the legislation and prevent a third government shutdown in as many months.

But when the Senate could act remains unclear as leadership struggles to win consent from every senator, which is required if they want to speed the vote up.

Sen. Rand Paul Randal (Rand) Howard PaulSecond GOP senator to quarantine after exposure to coronavirus GOP senator to quarantine after coronavirus exposure The Hill's Morning Report - Sponsored by National Industries for the Blind - Trump seeks to flip 'Rage' narrative; Dems block COVID-19 bill MORE (R-Ky.) has perhaps been the most vocal opponent to the spending bill.

He spent his day Thursday tweeting his progress in reading the legislation, while most lawmakers were in the dark on whether he would hold up a speedy vote on the measure.

"Shame, shame. A pox on both Houses — and parties. $1.3 trillion. Busts budget caps. 2200 pages, with just hours to try to read it," he said toward the beginning of his tweet spree.