Real Dictionary

jolt
verb: If something jolts or if something jolts it, it moves suddenly and quite violently.

jolt in American English
a sudden jerk or shake, as from a blow
to move along in a bumpy, jerky manner
to shake up or jar, as with a bumpy ride or sharp blow
intransitive verb: to move with a sharp jerk or a series of sharp jerks
noun: a jolting shock, movement, or blow
transitive verb: to jar, shake, or cause to move by or as if by a sudden rough thrust; shake up roughly

jolt in British English
to bump against with a jarring blow; jostle
noun: a sudden jar or blow