What is Virtual Laughter?
When someone laughs in a virtual media, say the Internet (IRC, Forums, MSN, AIM, etc...), they are using a virtual laughter. How can people laugh virtually? Using a series of acronyms.
Probably, the first way of virtually laughing was
Note: Whoever says this isn't really doing the things they say, probably they aren't even laughing at all!
Guy: I almost pooped myself, lol
Gui3: ...that's when he found out 'she' wasn't really a woman.