Brit. to shake, wobble, or vibrate
Origin of judderaltered from uncertain or unknown; perhaps shudder
intransitive verbjud·dered, jud·der·ing, jud·ders
To shake rapidly or spasmodically; vibrate conspicuously: “Edith would watch her wrestling with words, her thin little body juddering with the effort to unlock them” ( Anita Brookner )
A rapid or spasmodic shaking.
Origin of judderPerhaps j(erk) 1 (sh)udder