It is a descriptive phrase that's not meant to be taken literally, similar to one of the following-

"It's raining like cats and dogs."

"It's like the surface of the sun out there."

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1982 300GD Carmine Red (DB3535) Cabriolet Parting Out
1990 300SEL Smoke Silver (Parting out)
1991 350SDL Blackberry Metallic (481)

"The thing is Bob, its not that I'm lazy...its that I just don't care."