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
An absolutely foolproof way to keep minors from viewing content deemed "too mature" for them to watch.
Billy: "So I was trying to watch some videos for an M rated game, and I ran into an age gate, so I put in my real birthday. SOMEHOW it managed to figure out that I am 12. CURSE YOU AGE GATE!!!"
Bill: "Fucking age gate! *quick scroll* THERE! I was born on January 1, 1904. Fuck you age gate."