Abbreviation for sexting, that thing that thirteen-year-olds do to run up their parents' cell bills.
OMG!!!!! Johnny sent me a sxtxt!!!
A state of awareness of one's obsession with the Twilight series, usually attained after finishing the first book in less than 24 hours.
Girl 1: You used to hate Twilight. When did you become Twilightened?
Girl 2: My Twilightening occured during finals week, unfortunately. I hope I passed my exams.