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3.
A fake, frivolous lawsuit that is so ridiculous or baseless, you can't help but laugh. Often used to refer to the threat of such a lawsuit.
Zephyr threatened to file a lolsuit against me for "slander" just because I wrote that he didn't know how to use a bar of soap.
by Baral'heia Stormdancer December 22, 2005
 
1.
A fake, frivolous lawsuit that is so ridiculous or baseless, you can't help but laugh. Often used to refer to the threat of such a lawsuit.
Zephyr tried to file a lolsuit against me just because I said he didn't know how to use a bar of soap.
by Baral'heia Stormdancer December 19, 2005
 
2.
A lawsuit over something so ridiculous that you can't help but laugh at it.
McDonald's got slapped with a LOLsuit when some idiot failed to realize that coffee was hot.
by Daemon Alard July 24, 2008