Example: To have anything worth sharing, to have any skills worthy of their name, you've got to get in the grind and that takes time. Source: how to be a chef cook Background: This is taken from an article by a chef trying to bring wanna-be chefs crashing down from the dream in the restaurant industry. In the article, the chef thinks the basic skills you learn in cooking school is largely useless. If you want to survive in the industry, you have to actually work on your technique in a professional kitchen. Is "get in the grind" slang? It doesn't appear in any mainstream dictionaries. I tried "on the grind" on Google and the first result was from Urban Dictionary, which gives its definition as (Urban Dictionary) The first part of the definition seems to fit the context, the second not so much. So I'd like to know if "get in the grind" and "get on the grind" are interchangeable and take on the meaning of "working hard"?