An internet term for "laughing on the inside". It shows less enthusiasm than "lol" and even col. Loti is properly used when you are only slightly amused.
Laughing on the inside. The best alternative to lol, because 99.76% of the time when one writes lol, they are not really laughing out loud, but are amused nonetheless.
Laughing on the inside, a way of subtly expressing your laughing during internet chat. Can also be used when texting. Is almost exclusively lower cased. The progression goes, haha -> loti -> lol -> LOL -> lmao -> etc etc