"Holy_________!"

[okutobee]

Holy heck darn tootin gosh

[Darien]

Holy Pillows of Doom Batman!...

[CJ_The_Bold]

Holy topic revival!

[Indigo_Dragon]

Holy heavens of the sacred wind! 

 

(Tbh I'm quite fond of the "good god gravy" but for the life of me, I cannot recall where I first picked up that phrase...)

[Darien]

"Holy walk like an Egyptian"...[/i/]

[StormBirdRising]

Holy Moses

[Darien]

"Holy Good Golly Miss Molly"

...

[Indigo_Dragon]

Holy sacred cross of the firmament! 

[Darien]

Holy Joker Batman"...

[KittyloverWV]

Holy that one egg I killed! 

[Trebonth]

Holy Celestia, Arceus and GoNs!

[Lagie]

Holy Halloween!

[xenogender]

Holy in tarnation!

[StarKaabii]

Holy gosh diddly darn doodle!

[Darien]

Holy Frak! Starbuck...