Teen Slang · Online & texting

What does “Lmao / Lmfao” mean?

'Laughing my a-- off' / with an added expletive for more emphasis. Standard laughter shorthand.

Where “Lmao / Lmfao” comes from

Early-2000s internet and texting acronyms, now universal.

Why teens actually say it

They convey laughter more strongly than 'lol.'

What it means for you as a parent

Ubiquitous and benign. No concern.

How it’s used

  • “Lmao she really tripped on the stairs and blamed the dog.” Easy, genuine laughter at a funny moment. Lighthearted and casual.
  • “Lmfao you actually wore that to school?” Bigger laugh, slightly more shock. Teasing a friend playfully.

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