A rev is an informal term; it is an abbreviation for a revolution of the crankshaft within an engine. The related verb means ‘to accelerate’ and it can have an engine, vehicle, or driver as its subject. Rev is also used figuratively, often followed by up, about other things and means ‘to increase’ in both activity and…
A chump is an informal term that means ‘a person easily fooled’ or simply ‘a fool’. As a slang term, it means ‘head.’ Chump is also a short, thick piece of wood or, sometimes as chump-end, the thick end of something, especially a loin of lamb or mutton. Unrelatedly, to chump is a less common variant of ‘to chomp’, meaning…