All Sizzle And No Steak Meaning
(idiomatic) A thing or person which fails to measure up to its description or advanced promotion.
Example: Her latest novel is all sizzle and no steak.
1999, "Nonprofit community increasing nervousness about Year 2000" by Gary M. Grobman. International Journal of Nonprofit and Voluntary Sector Marketing, vol 4 issue 2.
Y2K may be the equivalent of the Kohotek cometâ€”all sizzle and no steak.