1 definition by E Wolf

"seriously laughing out loud"

Many people use "lol" while messaging, but don't really laugh in reality. When saying "slol" you know they are really laughing.
Coolman343: Hey man, guess what I did?
NoClue87: What dude?
Coolman343: My girlfriend just broke up with me because she didn't like the fact that my penis curves to the right. She said it doesn't feel good poking into her side.
NoClue87: slol
by E Wolf October 26, 2007
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