more power to somebody's elbow

more power to your elbow

May you find success in your activity or pursuit. Primarily heard in UK. Hey, if you want to spend all your free time in front of a computer screen, then more power to your elbow. You want to be an auto mechanic when you graduate? Well, I don't have any idea what I want to be, so more power to your elbow!
See also: elbow, more, power

more power to somebody’s ˈelbow

(old-fashioned, British English, informal) used to express support or encouragement for somebody to do something: ‘He’s so angry at his train being late every morning that he’s made an official complaint.’ ‘Good for him. More power to his elbow.’
See also: elbow, more, power