| 释义 | 
		jam sandwich noun a police car.  JAM-JAR (a car), plus visual metaphor  UK, 1981
 jam sandwich1. Literally, two pieces of bread with jam in between them. Primarily heard in UK. When I was a kid, my family was very poor, and we ate jam sandwiches every day. 2. slang A police car. Primarily heard in UK. Slow down, there's a jam sandwich up ahead!  |