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1.
Extreme amusement and laughter at something very funny. Can often be used in a sarcasatic manner when commenting on a lame attempt at a joke
Paul: Two peanuts were walking down a spooky road at night... One was assaulted

Ted: Loflkanan!

Paul: Yes I know the joke is lame. Now just shut up!
by USBtaco January 19, 2011