hotter

Etymology 1

adj

1. comparative form of hot: more hot

noun

1. (UK, slang) One who steals a vehicle in order to joyride.
   Unable effectively to give chase to the hotters for fear of endangering the lives of pedestrians and motorists, the police had been forced to play a waiting game[…] 1992, David P. Waddington, Contemporary Issues in Public Disorder, page 209

Etymology 2

verb

1. (UK, dialect, Northern England, dated) To vibrate; to rattle.
   The jolting, hottering motion of the waggon, the splashing of the water, and the dark and narrow passage, all concur to produce a strange effect […] 1833, Thomas Sopwith, An account of the mining districts of Alston Moor, Weardale and Teesdale in Cumberland and Durham, page 137