Top Definition
Laugh My Google Search Out. One of the many variations of LMAO, said when the person is too busying laughing their ass out that they can't even type properly.
Person2: "insert really funny joke here"
Person1: LMGSO, *falls on the floor*
Person2: hey, you alright man
Person1: *laughing like the Joker from Batman*
by One234 December 15, 2009
4 Words related to LMGSO

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