Isleme is the Turkish term for laying off, meaning you add tiles to melds already on the table after you have opened.

Once you have made your 101-point opening, isleme lets you extend runs and sets with matching tiles from your rack, shedding pieces quickly toward a finish. You cannot use isleme until you have opened, so reaching the 101 threshold comes first. Efficient laying off is how strong players clear their hands fast and go out, claiming the valuable minus 101 finisher score.