An alternate way of asking "What happened?" in online conversation about things that aren't as serious so as to merit the full phrase. Better paired with the phrase 'R u ok?' to further enforce it as informal. Not as effective in oral conversation for obvious reasons.
A: I hate my mathematics teacher
B: Wot hap?
(n.) A morbid, irrational fear of losing a follower on Twitter. More flagrant because the number of followers you have is perpetually visible on your Twitter home page, so a decrease in their number is much more visible.
Aerith: I keep checking my Twitter every thirty minutes?
Bob: Why is that?
Aerith: Ever since I have reached 100 followers, I feel like someone will unfollow me.
Bob: Bitch you got unfollowphobia.