Idiom idiom
mouthful of marbles
Meaning
An indistinct, muffled or garbled manner of speaking.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
Examples
“He sounds like he has a mouthful of marbles.”
“I could not understand his presentation because he spoke like he had a mouthful of marbles.”
“The actor mumbled his lines with a mouthful of marbles, leaving the audience confused about the plot.”
Anchors to
Last updated August 10, 2026