jackpot
n.—Gloss: in firefighting slang, a flammable place. «The fire kept trying to creep past them. A few sparks jumped into a nest of wood chips in an old log—”a jackpot,” firefighter lingo for a flammable spot.» —“Few understand Calif. fire fight’s front lines” by Chris Woodyard, William M. Welch, Matt Krantz USA Today Oct. 25, 2007. (source: Double-Tongued Dictionary)
Further reading
Samantha Harvey’s novel Orbital is a sensuous, exhilarating meditation about the strangeness of life on a space station, with its mix of tedious tasks and jaw-dropping views. And: a musician who rode the rails in his youth shares the slang he...
Steve, a singer-songwriter from Rock Springs, Wyoming, shares some slang he picked up while months riding the rails and busking. Spanging refers to panhandling, from asking for “spare change.” The term bull refers to a type of security...