gadzooks

Good heavens, you're right! ;-)

I kinda doubt it was. Nonreligious people use religiously inspired slang all the time. Possibly just to annoy the religious people. ;-)

You know, this is just creepy. Why the hell would an Xtian want to use an epithet referring to the nails on the cross? Religious people are weird. Of course, that's assuming it was a Christian who came up with the phrase.

God's hooks (referring, I think, to the nails in the cross)