There is some uncertainty about the precise meaning of this phrase. Some use it to mean ‘make a choice about what you intend to do’; others have it that it means ‘either get to work in a productive manner or do something else and let someone else work’. The second meaning, which I favour, and which is more common, is similar in meaning to ‘put up or shut up’, or the 20th century US vulgarism ‘shit or get off the pot’.
:-D:-D:-D
Mum was always ready with a ‘wise old saying’ such as if your left hand itches it means you will be paying out but if your right hand itches it means you will be receiving money.
Same if your ears were ringing say the alphabet and when the ringing stopped a person with the name beginning with the letter you had arrived at was talking about you. So there.