How to pronounce “balloon”(verb) in English

I ballooned up to 320, which is not what you're supposed to do after you have life changing things.

And that sort of ballooned into whatever this is.

deficit has ballooned, the tax rates have gone way up.

the rest of the heart is just ballooning out. The other name for this syndrome is called 'apical ballooning syndrome'.

In the week following that national exposure, the Busts for Justice Facebook group ballooned to huge proportions with over eight thousand new participants.