J'ai une de ces envies de pisser qui me prend à la gorge...

[details=“English Translation”]My back teeth are floating…[/details ] is this translation correct? makes no sense to me

English Translation

My back teeth are floating…

You’re not alone. I’ve never heard this expression (the English one) before. But I can kind of visualize how it might mean really has to go to the bathroom. (It’s not a pretty image!)

I’ve never heard the French one either.