Burst out with (something) verb phrase
Used to say that someone utters something loudly and suddenly.
While he was sleeping, he burst out with a shriek.
The kid burst out with a scream when the door suddenly slammed shut.
She burst out with critiques as soon as she saw Peter going out with another girl.
Tell someone your opinions or feelings aggressively or abusively
The verb "burst" should be conjugated according to its tense.
It was often said by a photographer when he would like small children to look at the camera and smile before he took a photo.
When the photographer said “watch the birdie”, all of us looked at the camera and smiled.