A person who uses the term "lol" too much. This word can be used to describe anyone who types "lol" on a regular basis. This word can especially describe a person who actually says "lol" instead of laughing in real life.
Person 1: Dude, did you hear about Esteban getting kicked in the balls by that girl last night?
Person 2: Haha, yeah, that seems to happen all the time - what a lolser
A woeful NBA team based in Los Angeles that was once very successful and known as the "LA Lakers". In recent years, they have become so bad that it is difficult to not laugh out loud at their staggering incompetence and so they are now more properly called the "LOLakers"
Q: "What time do the LOLakers tip tonight?" A: "Who Cares? They are playing the Spurs so they will get drilled by 30"