When your friends all seem to be texting you at the same times with the same message.

This occurs when two people build up sexual tension via text messages.

The act of phishing for a mark by sending out evocative or suggestive text messages randomly, hoping to provoke interest, eventually lulling the mark into a false sense of security, at which point he or she may be taken advantage of.

When you receive too many SMS text messages all at once from different contacts on your cell/mobile phone, which doesn't happen too often. It could be both good or bad

The textual job, or "TJ" for short, is the act of giving overwhelming praise of an online post or an item in a post. The excessive praise borders on being "inappropriate" as product of ebullience over an idea. At times, the TJ can be used to garner additional respect, power or influence however it is generally just benign and derived from overflowing excitement.

Textual jobs are most commonly seen on message board comments though can also be found on other online posts such as email chains, blogs, Facebook posts, etc.

When you're on an instant messaging program, and you copy and paste something someone else has instant messaged, and you end up getting their font style.

Addicting books that are spread from person to person. (Word of mouth or lent)

Most commonly Twilight, the first textually transmitted disease ever.

HOW TO GET A TTD.
If you you had Twilight, and you lent it to your friend, you gave your friend a TTD.

If you told your friend about Twilight and they bought it, you gave your friend a TTD.

If someone recommended Twilight to you, and you bought it (no matter how many months later), you have a TTD.

The only people who do not have TTDs are those who have not read the book yet, or those who saw it in the bookstore themselves and brought it without recommendation.