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 LOL (Laughing Out Loud). Because saying LOL all the time was a bit stupid, someone made up LMAO and ROFL. These two have opened a whole new way for virtually laughing, since lots of combinations can be made from these two, from ROFLMAO to the incredible l33t ROFLLMAONHAHAANDWSTC.

Note: Whoever says this isn't really doing the things they say, probably they aren't even laughing at all!

See also ROFFLMFAOOLTTFM, ROFFMGRUTA, ROFFGMBSAO, ROFCMAO, and even more...
Guy: I almost pooped myself, lol
Guy2: ROFL

------O------

Gui3: ...that's when he found out 'she' wasn't really a woman.
Guy(brush): ROFFGMBSAO!1!!!!!111!!!1
by facugaich August 6, 2005
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Holding in a Laugh till you can't hold it any longer.
Or
Taking a drink of coffee and someone makes you laugh, but despite your best efforts the bomb goes off and the coffee is sprayed all over.
When you read something hilarious on Reddit, and you have your pissed off sleeping girlfriend next to you, and you try not to laugh to not wake up the tyrannosaurus rex, it's like your body starts to build a laughter bomb in the bottom of your stomach, that you can no longer contain, eventually letting out bursts of loud gasping giggles while you try your hardest to keep it in. But the harder you try, the bigger it grows. The funnier it gets.
by eternityhq April 3, 2013
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Soundless Laugh - The laugh in which you laugh so much your body runs out of it natural supply of Laughter and eventually there is no sound coming out but your body is still reacting as though it is still laughing. By this point you are probably holding your stomach as though everything inside it is dropping out, your eyes running with tears and on the floor completely unable to stop laughing. To get to this advanced stage laughing you have to have alot of stamina or the lungs of Laura.Generally any attempt to stop the victim of 'Soundless Laughter' results in more laughter, you could say attempting to stop this laughter fuels this fire.
" " Hey look, that person is laughing but its not making a sound, They must be in serious danger.. no wait, its Laura (A sufferer of Soundless Laughter)
by SaleemElbaloula November 18, 2007
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Laughing in a group. Starting as fake laughter and building into real laughter.

Possible side effects include: reduced stress, better wellbeing, reduce heart issues, reduced anxiety and depression, also a natural painkiller.
We went to the laughter yoga session and pissed ourselves laughing.
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A rare condition experienced by some females during spates of intense laughter. Laughter legs are most commonly triggered by a hilarious joke. During an episode, the legs will wiggle, twitch, or squirm vigorously and uncontrollably, sometimes causing harm to the individual or to others in the vicinity of the legs. Further risks exist if the episode occurs while standing upright, causing the individual to thrust forward at high speeds in the direction they happen to be facing. There is no known cure, although studies indicate sadness is an effective treatment.
Where the hell did Christine run off to?
Relax, she's just got the laughter legs. She'll come back.

Dude, how did you get that concussion?
I was resting on a girls lap. I made a joke and she got the laughter legs.
by Manzillaa September 27, 2017
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When you fake a laugh when really inside you are so nervous. Common in introverts. This also happens when you are meeting someone new or in a new relationship. Normally you report this though to you best friend.
Girl: hey, you're cute wanna go out with me some time.

Guy: *nervous laughter* yeah, text me when and where
by Milaina March 3, 2020
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