"The John BoehnerJohn BoehnerIt's time for McConnell to fight with Trump instead of against him How Republicans can bring order out of the GOP's chaos Republican donor sues GOP for fraud over ObamaCare repeal failure MORE plan … the Boehner plan, sorry ... poses the same grave risks to our economy as default,” said Lautenberg, pronouncing the name incorrectly on the first take.

"There is significant risk of a downgrade with a deal that ties further cuts to another vote only a few months down the road,” he added.

A vote on the plan is expected in both houses Thursday evening.