My tongue tripped over six ways to express acquiescence.

And a queen's," her tongue tripped unfamiliarly, "liege lady?

Her tongue had tripped, fallen into a hollow in her mouth.

His tongue tripped over the unfamiliarity of saying her name aloud.

Madouc hurried on, her tongue almost tripping over itself.

He liked her all the better for it, though he doubted her tongue would have tripped so lightly over the words if she had known she had an audience.

You know, they says, if you puts a bit under your pillow, you dream of your future husb ..." Nanny Ogg's tongue tripped over itself.

His tongue tripped over itself and wouldn't let him.

Her tongue tripped on the word and she giggled.

"You mean-" His tongue tripped.