The words tumbled out of me before I could stop them.
She said it very quickly, the words tumbling over one another.
Words were tumbling out of her mouth and she couldn't seem to stop them.
The words tumbled out of the boy's wide red mouth.
Her voice was quite wild, the words tumbling over themselves.
The words and images tumble about like the sea itself.
He was speaking so fast that his words were tumbling over one another.
All this she said in a rush, the words tumbling over themselves.
Finally, after a long silence, both spoke at once, their words tumbling over each other.
The words tumbled from her mouth, as though someone else had spoken.