all mouth (and no trousers)
all mouth and no (action|substance)

āχāĻ‚āϰ⧇āϜāĻŋāϤ⧇ "all mouth (and no trousers)"āĻāϰ āϏāĻ‚āĻœā§āĻžāĻž āĻ“ āĻ…āĻ°ā§āĻĨ

01

used to describe someone who never puts their word into action

Idiom
Informal
āωāĻĻāĻžāĻšāϰāĻŖ
Very few carry out these threats and those that do not, lose some credibility with their children who see them as all mouth and no action.
LanGeek
āĻ…ā§āϝāĻžāĻĒ āĻĄāĻžāωāύāϞ⧋āĻĄ āĻ•āϰ⧁āύ