what does 😂 mean on twitter?

[Neat Neat]

on twitter i see alot of people doin this 😂😂😂 i wanna know what it means

[MINT]

I believe when you see those characters the software was not able to translate some obscure language to English.

[snajka18]

It's a smiley face. They are probably happy and thus the smiley face is added by the person tweeting. They are emoji's used by smartphones and that's what twitter users usually have.

[Ppppp]

it's an emoji seen on smartphones
that emoji is a face laughing with tears
as in laughing so hard they're crying

[Daniel]

Its Some Kind of Emotion

[Zoe]

It's an emoji you can only see on the iPhone of a person laughing so hard they're crying.