the beast within you that makes you laugh at completely inappropriate times, like a funeral, a breakup, when someone tells you of an ailment, or a dramatic movie that matters to the person you're watching it with
i was at my girlfriend's grandpa's funeral, and my roflmonster came out at the worst time possible!! i couldn't control it at all, but i didn't care for some reason
Rolling On the Floor Laughing My Ass Off and scaring the cat.
One of many abbreviations that started with "lol" (Laugh Out Loud) in the on-line community.
- Steave said he will be a geek no more
- roflmaoastc