Most Helpful Guy
You tell him you are done, when he laughs, you tell him you are serious and that you'd like to exit the relationship without bad feelings. If he continues to dismiss you, tell him you are done talking and that he should no longer contact you.
Basically, for every time he ignores you reassert your position. Lastly, if he continues then tell him you are going to hang up on him. Then if needs be hang up and ghost.
Most Helpful Girl
Cut him off completely. It s easy as that. He will get the point you were serious when you told him you no longer want to be in contact with him. And yes, actions do always speak louder than words so stop talking to him if this is what you really want. It s your right and you don t need to explain yourself over and over again.