“All hat and no cattle” (R.I.P. Larry Hagman)by Macmillan Dictionary Blog

Global English and Language Change — Macmillan Dictionary Blog
 
WHAT'S THE MEANING ?
all style/froth/image and no substance
all flash and no dash
all packaging and no content
all show and no go
all icing and no cake
all fur coat and no knickers [don’t ask]