I did. I created the "ITG". If you don't know what it stands for, it stands for "In the game". I thought it up after I saw someone say "IRL", which stands for "In real life". I made it while playing PSO Episode 2, and my PSO character was either Nico or Glenn. I forgotz...
So, you ever make an internet acronym? How/where did you make it? Is it used commonly? Tell me!