Wiktionary
impulsive speech
n. speech that concentrates on the speaker's thoughts and intentions, disregarding an interruption by the listener.
Usage examples of "impulsive speech".
The regular lesson hadn't gone far before Kichiro interrupted it to make a small impulsive speech.
It didn't sit well, especially since he was regretting his impulsive speech to Christabel about the divorce more with each passing day.