The Voice coach Blake Shelton certainly offered up some hilarious phrases when critiquing Cee Lo Green's team member Caroline Pennell during Tuesday night's performance broadcast of the show's fifth season.

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Pennell, a teen from Saddle River, NJ, took the stage with a "mesmerizing" rendition of "We're Going to be Friends" by The White Stripes.

"I don't know what it is about Caroline, but I could literally be getting an amputation and if someone was playing her music and she was singing, all I'd be thinking about is cotton candy," Shelton explained. 

"And I don't know what it is about you, but it is mesmerizing, and I don't know, you could've been singing about killing people and I would've been up here wanting to skip around on the stage. It's crazy!"

"Quit while you're ahead!" coach Adam Levine jokingly hollered out. "Maybe let's just tighten it up."

"Should I have stopped at amputation? I should've left it at amputation," Shelton said.

Pennell's coach Green summed up everyone's comments, saying she sounded "wonderful" and very "sweet."