This is the 7222nd most frequent Portuguese word.
lol
The Portuguese word "lol" is informal internet slang, borrowed from English, meaning "laughing out loud" or used to express amusement.
Here, 'lol' is used as a reaction to something humorous.
Estava jogando ontem, e perdi de um jeito muito engraçado, lol.
I was playing yesterday, and I lost in a very funny way, lol.
In this sentence, 'lol' expresses amusement at the absurdity of the situation.
Ela me contou uma história tão sem sentido, lol.
She told me such a nonsensical story, lol.
Here, 'lol' conveys self-deprecating humor about the speaker's clumsiness.