lolabyte 

A rating for something you found funny. The funnier something is, the more lolabytes it is awarded. Can also be shortened to "LB".

Dan: Did you hear that joke Webster told at lunch yesterday? It was 10lolabytes funny.

lolabyte by Webster. July 5, 2007

lolabetes 

laughing so hard that it results in a terminal illness.

I laughed so hard at his joke that my internal organs ceased to function properly; now I have lolabetes.

lolabetes by MrMoustace88 October 27, 2010