Xp

Used, while texting, at the end of the sentence to mark it as a joke (especially by a redhead whose name starts with S). This sentence should not be taken serious by any means. Its just for the funzies

Person 1: Im gonna kill you xp
Person 2: ...
Person 1: I was just kidding

Xp

Used by Sindi at the end of the sentence to show that she is joking and this sentence should not be taken for granted.

Sindi: Im gonna kill you xp
Person 1: ...
Sindi: Don't worry i was kidding.