An insult which combines the two words "retard" and "lord" to create a new word which can be defined as: lord of the retards or the biggest retard ever.
An even shorter version of the word can be said as simply "reet".
Person 1: "Oh my god -did you see that?! Kanye West fully just stole the mic from Tayler Swift! --HOLY SHIT! He's making a friggin' SPEECH ABOUT HOW BEYONCE SHOULD HAVE WON! Come downstairs and see this!!"
Person 2: "Oh my f- are you serious? God. Kanye West is such a fucking reetlord. Who the fuck would do that."