I was bursting(meaning, I wanted to pee so badly) is that a

@luckyall I think most Americans would, but it’s not the MOST common, I guess. It may just be more common there. It could also have started there, and we picked it up. Basically, it’s safe to use with Americans. |Do you know water balloons? If you fill it with too much water, it will burst. If you’re don’t pee, you feel like a water balloon with too much water, you feel like you are “bursting”. I think it’s a common expression. I can only speak for American English though. |@luckyall mm, not really. It’s a different sensation. “I was bursting” is very very casual, but not impolite. There are no polite ways to talk about poo like that. “I’m constipated” may be one, but it’s more medical. You CANNOT poo, even if you sit down and try. There’s plenty of impolite ways to talk about poo, though.
HiNative is a global Q&A platform where you can ask people from all over the world questions about language and culture. We support over 110 languages.

Literature / Potty Emergency - TV Tropes

How to Control Your Bladder on a Bus (with Pictures) - wikiHow

P-Mate Female Disposable Urine Director (5 Pack)

How to Help Your Child Release Pee in the Potty

Frequent Urination During Cold Weather Diuresis Reasons

How long can you hold in your pee: Timing and dangers

Have you ever been in a situation where you had to pee so badly but you made it to the toilet just in time? - Quora

Have you ever had to pee so badly that you couldn't pee? What

Have you ever been in a situation where you had to pee so badly but you made it to the toilet just in time? - Quora

Why You Pee So Much at Night - Frequent Urination Causes

When You Have Diabetes and Urinary Problems