A superior way to express that you're dying of laughter, or you're faking it because the thing you saw didn't make you laugh at all so you're being ironic by saying this phrase.
Alex: Lmao, look at this meme.

Jacob: Lmfao i'm dead ๐Ÿ’€

Ashley: Why did the golfer bring to pairs of pants? In case he got a hole in one.

Jacon: *fake* Lmfao i'm dead ๐Ÿ’€
by yourlocalgoat234567890 January 22, 2023
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Can be used to say that u canโ€™t deal with someone being dumb.
Friend 1: Do you ever realize that humans cut down bird houses to build bird houses?

Friend 2: Bro- how high are you?

Friend 1: 5โ€™10

Friend 2: LMFAO BYE
by d4ddybil April 7, 2021
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when a person says LMFAOO too much or constantly when texting
*texting* โ€œLMFAOOAโ€ other person: stop saying that

ุกโ€LMFAOOAAโ€ other person: yep u have LMFAO syndrome
by cdumdum378 April 18, 2019
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