Top Definition
secretly laughing ass off. a more realistic approach to the 1337 phrase lmao, that is, if you can admit to slao-ing.
by thou art lollething November 26, 2007
-A bastardization of "slap," or more extremely, "slay."
Wendy just slao-ed me on the face. :(
by tiger60067 July 13, 2004

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