What does LOL stand for?

What does LOL mean?

LOL	Lack of Lanthanum Academic & Science » Chemistry
LOL	Lack Of Love Community
LOL	Lacking Of Life Miscellaneous » Funnies
LOL	Laff Out Load Toastmasters Club Miscellaneous » Toastmasters
LOL	Lame Old Loser Miscellaneous » Funnies
LOL	Land O' Lakes Business » Firms
LOL	Land O' Lakes Miscellaneous » Food
LOL	Land Of Leather Business » Firms
LOL	Land Of Legends Community » Sports
LOL	Land Of Love Miscellaneous » Funnies
LOL	Large Obese Lobster Miscellaneous » Food
LOL	Large Ordinary Lung Miscellaneous » Funnies
LOL	Laugh Out Loud Internet » Chat
LOL	Laugh Out Loud Academic & Science » Amateur Radio
LOL	Laugh Out Loud Computing » Texting
lol	laugh out loud Miscellaneous » Gaming
LOL	Laughing Out Loud Internet » Chat
LOL	Laughing Out Loud Internet » Emoticons
LOL	Laughing Over Lines Community » Performing Arts
LOL	League Of Legends Internet
LOL	League Of Llamas Miscellaneous » Hobbies
LOL	Legion Of Lucifer Miscellaneous » Science Fiction
LOL	Legion Of the Lost Miscellaneous » Science Fiction
LOL	Lemon Or Lime Miscellaneous » Food
LOL	Lessen Our Lust Community » Religion