All talk and no action 

All talk and no action is a description that can be applied to the chattering classes, certain politicians, incompetent managers, just about anyone who talks a lot, usually rubbish or irrelevancies, about a problem or situation but does sod all to resolve it. It can also be applied to males or females who talk a lot about sex, but when it comes down to getting physical run a mile

“How did you get on with that bird from HR last night?”
“Waste of time, all talk and no action.”

All talk and no action by AKACroatalin June 9, 2015