What does being a "Robert" mean?

being a "Robert" meaning in Urban Dictionary

being a "Robert" describes somebody who constantly utilizes similar moves in a video game and/or camps. Much more particularly in multiplayer games. This "Robert" will continuously button-mash the exact same key or camp in identical area and then reference his/herself as a "good player". He or she will protect themselves swearing it isn't cheating and is very fair.