Passing a second stimulus package into law is a pretty half-baked idea, Sen. John McCainJohn Sidney McCainGOP strategist donates to Alabama Democrat Meghan McCain knocks Bannon: 'Who the hell are you' to criticize Romney? Dems demand Tillerson end State hiring freeze, consult with Congress MORE (R-Ariz.) insinuated Tuesday.

"I wonder what they've been smoking," McCain cracked when asked whether a second stimulus was necessary during an interview on Bloomberg News.

Some lawmakers and political figures have suggested a second stimulus may be necessary to provide another jolt to the economy, while others have encouraged evaluating such a proposal this fall, once more of the initial stimulus money has been spent out.

"Only 10 percent of the stimulus has been distributed," McCain said. "People are shutting down their small businesses, and they say, 'How come I'm too small to save and these other guys are too big to fail?' I don't have a good answer for them."