I am sure there is no standard for these, but there are some common ones used so much that I need help. I was going to put this in deer hunting because it seems to get the most hits, but I will try here first in the spirit of keeping to subject.

What are:
lol?
imho - in my honest opinion
imo - in my opinion
btw - by the way
lkao?

Shoot, I can't remember them all. I'd have to go back up in the forums to read them all. Can anyone generate a list?