In A Second.
When you are busy doing something and someone asks you to do something and you know you aer never going to do it use this term and hope they forget about it.

A portmanteau of carpe diem, a Latin phrase that means “Seize the Day!” and DM, which stands for Direct Messages. This word means seizing the day via DMs.

In all seriousness. For when you post something that's completely stupid, and you want to change the note to a serious one.

Itchy Ass Syndrome;

Chronic itchiness of the buttocks/rectum area. Does not include lower back. Usually only lasts for one day, but can persist for longer. If symptoms last for more than a week, consult a doctor.

I Am Smiling

Internet Anonymity Syndrome

The effect that anonymity has on some people while online, that causes them to behave like total assholes.

International Asshole Society