Hiroshima shadow

1. A marking left along surfaces in Hiroshima of vaporised victims of the atomic bomb dropped in WWII. These were caused by thermonuclear radiation.

2. A derogatory term used to refer to a Japanese or vaguely Asian person. Can be a threat.

1. "The museum has a display showcasing Hiroshima Shadows."

2. "I swear if Long Long fucks up my order at Panda Express again, I'll turn her into a Hiroshima Shadow."