mangur
adjective: someone who is such a dick that any other curse word would fail in describing them.
Person: "Hey! I took the liberty of deleting your only save file on Pokemon so that I could start my own. Hope that's cool."
You: "Dude!!! You are such a fucking mangur!!!! I hope you poop yourself!!!!"
You: "Dude!!! You are such a fucking mangur!!!! I hope you poop yourself!!!!"