Definitions for judderˈdʒʌd ər
Random House Webster's College Dictionary
to vibrate violently:
The car engine juddered.
Category: Common Vocabulary, British
Origin of judder:
1930–35; perh. j (olt ) + (sh )udder
shake or vibrate rapidly and intensively
"The old engine was juddering"
A spasmodic shaking.
Jerky playback caused by converting between frame rates;
To spasm or shake violently.