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The process of "laughing out loud" or lol.
Normally the z is added to make it lolz and emphasize the "lol"
The x is added because of sloppy typing or, to draw even more attention to how humorous the statement was that is making the loller laugh.
Brenda: nate named his third leg mr. wiggles
Andrea: zomg lolxz
by Anjarea October 23, 2006