They are all show and no go.

All Show and No Go

The first Peugeot model to buck the trend of numerical badging, the RCZ avoids the stereotype of being "all show and no go".

In the view of the Alliance of Automobile Manufacturers, a Washington-based industry group, the U.C.S. Guardian is all show and no go.

Tom McIntyre, professor of special education at Hunter College in New York, noted nearly a decade ago: "Woofing is especially effective against those who are unfamiliar with it and don't realize that it is most often 'all show and no go.'