A corruption of lol into lawl, and what into wut. Then they get sticked together.
Reid: I just ate a baby!

Mike: Lawlwut?!
by noclip September 29, 2007
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Lawlwut is when you are 'lol'ing at something really stupid or something you have no idea what it is, Yet it is funny.
Dog: Is the kettle still hot? I want some coffee.
Me: Umm, Youre talking?
Dog:Hai Hai Hai...
Me: Lawlwut?
by I just pew pewed. January 22, 2009
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