It certainly is not a silly gesture. Becoming conscious of how far religion has rooted itself into daily life to the point that we unconsciously speak Christian is a step (a small step no doubt) in the direction of freeing us from the tentacles of organised religion.
With a two year old in the house I have to try to keep things as clean as possible.. though sometimes I do slip.. LOL
Mutha puss bucket (from Ghostbusters)
I most often use exclamations with god or hell or holy in them but I do use these too: What the Fuck?, What on Earth?, Shit!, Crap!, Fuck!, Fucking-A!
NO NO NO NO NO! Polite fucking conversation. Do you people have no shame? Exclamations I can use in front of my frail upstanding Grandma.
'Thundering Typhoons!', as well as anything else that Captain Haddock says.
Billions of bilious blue blistering barnacles in a thundering typhoon
"It scared the BEJEEZUS out of me!"
In Quebecois they use church terms as well:
But for a good, non-theistic expletive, I prefer, "cock juggling thunder cunts!"
I think I saw a movie like that once...
@Heather. You are so badass. My grandma would box your ears for such language.
RE: "Does anyone have any decent non-theist exclamations?"
Quite a number, but they all involve bodily functions --
(BTW, you left out, "Goodbye" - god be with ye)