2 definitions by Helen of Troye

'lmao' is an Internet slang, meaning laughing my ass off. It is not considered an 'official' word, and can be associated with the words 'lol' and 'rofl'. It is generally known as a stronger version of 'laughing out loud'
"lmao bro did you see the latest episode of Spongebob?"
by Helen of Troye September 8, 2016
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A 1-10 scale is generally used to rate a person, object, et cetera. This is used to express one's opinion about something in the scale of one to ten.
by Helen of Troye September 8, 2016
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