First, Iowa is still up in the air and could deliver a jolting surprise.
The assumption was that an electric chair death would occur by jolting the heart into stopping.
They say the quote serves as a jolting reminder of how quickly people can change.
1590s, perhaps from Middle English jollen, chollen "to knock, to batter" (early 15c.), or an alteration of obsolete jot (v.) "to jostle" (1520s). Perhaps related to earlier jolt head "a big, stupid head" (1530s). Figurative sense of "to startle, surprise" is from 1872. Related: Jolted; jolting.
1590s, "a knock," from jolt (v.). Meaning "jarring shock" is from 1630s.
: We didn't want to jolt