all talk no action 

Saying something to somebody but not going through with, being all talk and no actions happening.

All talk no action : A guy says to a girl "We will go on that date on Saturday. I'll pick you up at seven", yet he never pitches up, being all talk and no action.

all talk no action by Daisy12 September 18, 2013

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