oh my God

exclamation2

1. •
   An expression of anger, frustration, excitement, shock, awe, dismay, etc.

   • Creep niggas like a seal Tote the steel Stick a nigga, make him squeal "Oh, my God!" Those can't be the last words of ya man Damn, ya man was so hard — 2001
2. •
   Said in supplication to God.