...more like...a mouthful of tiny foamy bubbles, less 'fireworks'. Like...very very fine lemonade bubbles, perhaps? (though if you're not Aussie I probably need to say 'soda' or 'pop'...)

Imagine that in your tummy. I think the closest you could come as a non-pregnant person is to have some sort of mild digestive complaint that's making your tummy bubble. ;-)