Person who lacks the mental competency to figure out or even try to understand simple internet Acronyms such as LOL, BRB, or ROFL.
Will often try to make others feel dumb for using acronyms and reply back with messages asking that they be spelled out, due to his/her inadequate mindset.
Billy: "I tripped on my shoe string this morning and busted my face"
Billy: "I don't speak nerd what does LOL mean"
Kevin: "Your such an acrotard."