Baseball analogy. Used when someone is moving up; usually applied to someone being promoted at work, but can be applied in most scenarios.
Antomyns: demmoted, fired, cut, dissed.
Pete, it looks like your pitching has caught the attention of the Yankees. Congrats! You're being called up to the bigs!
Jeff was asked to take over for his old boss. He was called up yeasterday.
Remember that hot girl from the bar who was out of my league? She called me to go out this Friday! Fellas, I'm being called up to the majors!
That stash of pot we confiscated from you turned out to be distribution weight which is now a federal crime, not state. You've made the big time; Federal prosecutors are calling you up, son!