In Brazil, it means smile like :)
Number of "K" doesn't matter. Usually, brazilians use 3 to 6 while stupid people thousands of K
Me: Do you know what RTYHFGR means?
Friend: Not.
Me: Neither me!
Friend: kkkkkkkk
via URBAN DICTIONARY
| música: No.6 In My Dreams - Esther Abrami
| Meato... fica no ouvido.