Someone who looks awesome in a picture 50 pixels wide, but horrible when you see the full size version. 50 yarder for the computer age.
Guy1: Hey, come check out this chick that friended me.
Guy2: I've seen her before, she's a 50 pixeler. Click on the full size version of her avatar.
Guy1: Holy s**t, she's nasty.
Person whose only real physical activity or brush with danger occurs in MMORPGs. Typically chooses a heroic online name and persona, but could'nt do a pushup in real life.
Grundar Bonebreaker? I know that geek offline. He got beat up by the treaurer of the Girl's Chess Club. What a pixeldick.