adj.粘上果醬的；輕松的；運(yùn)氣好的

Don't wipe your jammy fingers on the table-cloth. 你別在桌布上擦沾了果醬的手指。

This is one of the jammiest jobs I've ever had. 這是我干過的最輕松的工作。

He wasn't even trying to score,the ball just bounced off the jammy beggar's head into the goal. 他甚至都沒想要去得分