Oh My Dead God!, it's used by the fans of Starship (a Starkid production) instead of the well know "OMG", it's sprang from the fact that in the musical "Starship" the science kill God, and it's a common joke in the cours of the play
some Starkid fan: OMDG! I love Joey Ritcher!
by Frase201 July 23, 2011
1 more definition
OH MY DEAR GOD!!! or oh miller genuwine draft... cant spell to stone sorry... i think its right tho
ummm its that knife OMDG it is<--- couldnt think of anything better... sorry i suck
by DJ. chease December 29, 2007