I don’t wanna, I don’t haveta, I ain’t gonna
Something really useful from the US. The only reply to be made to an acquaintance, or a co-worker you don’t like very much who makes ridiculous demands on your time and effort for no recompense.
“What did you say when Malcolm asked you to do his work while he sloped off to get freebies at the supermarket?”
“I don’t wanna, I don’t haveta, I ain’t gonna.”
“I don’t wanna, I don’t haveta, I ain’t gonna.”