I am so psyched!

You have tickets to a big music festival. You're talking with a friend who's going with you, and you want to express how excited you are.  I am so psyched!
(someone) is psyched : "Psyched" is a slang expression that means "very excited". You can describe yourself as "psyched" about something fun that you have planned with your friends.                                                                                                                                                                 The combinations "totally psyched" and "so psyched" are common. This phrase has been growing in popularity since the 1960s.  (PhraseMix)