This habit is very bad influence on your body!
When you eaten as well, especially if you’re eating something saltty, best for drink is cold water.
But if you take a cold drink after a meal, water or something else, it will hardening of fatty substances that are consumed moment ago. That will slow down digestion.
When these “layers” react with the acid, it will break down and be absorbed by the intestine faster than the solid food and will settle along the intestine. Very soon, this will turn into fats, and there is a possibility that in the foreseeable future and lead to cancer.
It is best to drink hot soup or warm water after a meal.
And better yet, before meals or at least half an hour after eating.