Right. You were raised as an only child. 'Nuh-uh' is a negation. No I did not do that which you are accusing me. The opposite is 'Yuh-huh' which is an affirmative. Yes, you did, in fact, do that which I am accusing you. Children, siblings especially, have arguments consisting of those two words. For hours.

I insist: I did not intend to time it so that you would spit your tea on the table.