The phrase "lean bodyweight" refers to the amount of weight on your body that is made up of muscles and other lean tissues, rather than fat. Full definition
So, a 100 kg person (of lean bodyweight) should be eating 180 grams of protein. (popworkouts.com)
By meeting average daily protein requirements -LRB-.7 — 1 gram per pound of lean bodyweight formula), eating nutritious vegetables and fruits (easy to stay in 50 - 100 gram range, even with generous servings), and staying satisfied with delicious high fat foods (meat, fish, eggs, nuts, seeds), you can lose one to two pounds of body fat per week and then keep it off forever by eating in the maintenance range. (marksdailyapple.com)
Ensure a balanced fat intake is approximately at 1g / kg lean bodyweight. (predatornutrition.com)