Don't dish it out if you can't handle it when it's your turn to be the punchline

I think you're missing the point of this post. It's not about a sense of humor.

Well yeah but I don't mind being the guy made fun of because I have the mental power to insult myself and be completely okay with it

Hahaha wow. That's actualy. Kinda. Cool. Lime !!

That's not laughing AT him, though.

Laughing AT him would be laughing at his flaws. So this is really saying, "If you can't laugh at or accept your own flaws, you have no right to judge others."

My flawsome + my friend's flawsome = WE ARE AWESOME :D

Oooohh. Well now I understand. I don't know why the downvotes I was genuinly comfused !!