stutter

To speak (words) with a spasmodic repetition of vocal sounds.

He stuttered a few words of thanks.

To expel a gas with difficulty.

I was stuttering after the marathon.

The engine of the old car stuttered going up the slope.

A speech disorder characterized by stuttering.

One who stutters.

1626, Francis Bacon, Sylva Sylvarum, London: William Lee, IV. Century, p. 103, And many Stutters (we finde) are very Cholericke Men; Choler Enducing a Drinesse in the Tongue.