stupid = 'very pleasing; marvelous'

[Jonathan Lighter]

This has been around for some years, but perhaps never moreblatantly as in
this ad:

"It’s an unlikely pairing: The world’s smartest looking smartwatch and the
world’s stupidest mobile app. And yet they have indeed teamed up, because
mobile app Yo has just announced that 'Motorola is going to use the Yo
platform to release their long awaited Moto 360 smart watch.' And yes, this
promotion is just as awesomely stupid as you think it is."

For some of, of course, the sense is equivocal.

But only for some.

JL
-- 
"If the truth is half as bad as I think it is, you can't handle the truth."

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The American Dialect Society - http://www.americandialect.org