laughing out loud with magnitude equivelent to the badness of the holocaust
bob: omgsters that noob is trying to hump that scorpion!
joe: lolocaust!
by Tristan D October 6, 2007
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Lolocaust is when someone majorly kills a conversation, usually in online chats.
Guy1: and then he said "that's not a chicken, that's my wife"
Guy2: "OH HAHA THAT'S REAL COOL LIKE THE TIME I KILLED THE BEAR IN DOOM 3. HAHAHAHAHA"
Guy3: ....
Guy1:....
Guy1: lolocaust.
by Hugo inshu'Sayyid June 5, 2005
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A situation or joke, or anything being so incredibly funny that you actually might have laughed your balls off.
I don't think I laughed that hard since the great lolocaust of '08 where 7million people simultaneously pissed their pants.
by «F»Voyager September 20, 2009
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when a situation is slightly humorous but entirely neutral for both sides, much like the holocasut.
Matt: Hey man you hear about that game last night?
Kyle: Yeah, total lolocaust i can't believe it ended in a tie!
by sillynancy October 23, 2009
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A play on the word Holocaust. Used to describe dark humoured jokes.
There are some sick jokes on www.lolocaust.org
by macher October 8, 2009
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something hilarious in a largely violent manner, or in a loud or "explosive" fashion.

see also nuclear lolocaust
its was a lolocaust. (not quite sure how to use it but i will find a way.)
by nuclearlolocaust August 16, 2011
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A variation of "lol;" to laugh so incredibly hard or loud as to cause damage to oneself, someone, or something.
When I told a joke to my friend, she had a lolocaust and laughed until she could no longer breathe.
by The.Alex March 28, 2008
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