jam jar

jam jar

slang A car. The phrase comes from rhyming slang in which "jam jar" rhymes with "car." Primarily heard in UK. That's a beauty of a jam jar you've got there. What is it, a '67? My jam jar won't start today—can I get a ride with you?
See also: jam, jar
Farlex Dictionary of Idioms.
See also:
  • panda car
  • stop behind
  • stop behind (someone or something)
  • reach speeds of
  • reach speeds of (up to) (some amount)
  • run over
  • clunker
  • to be sure
  • nudge out
  • crash and burn