Definition of juddery in English:

juddery

adjective

See judder

‘Of all the many, many problems with London's overcrowded, overcharged, much-delayed, juddery and downright unpleasant Tube system, safety has not been one of them.’
‘Glick let the car sit idly by the kerb, the engine running, a little juddery off a cold start, and puffing away at a great exhaust roach.’