He would put his blue dot on your left shoulder. That was his trademark.
As soon as you noticed it, BAM!, you were dead.
He chuckled when he heard a joke in-game and immediately typed "lol." Later, he heard the same person say something mildly amusing, so he typed "lol" again, but it didn't feel right -- it was more deserving of a "lis" ("laughing inside"). Since no one knows what a "lis" is, he couldn't use it. So he stopped giving out "lols" altogether. No more fake "lols." However, he wasn't a total prick--he would just put quotes around it.
DONNELLY -V- : that's disgusting
Desperato: that's harsh
Coverkilla: that's amore'
Crazy Bill: "lol"