A celebratory phrase used to share enthusiasm for an impending event. While staying appropriate for the general public, this exclamation can be enjoyed by individuals of all ages. Made famous by the Birch tree, the party animal of the botanical kingdom. This phrase, in written text, is typically accompanied by the round tree emoji on the Apple iPhone.

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)