noun

• (figuratively) Anything that moves very fast.
  "Nobs, though, was lightning by comparison with the slow thinking beast and dodged his opponent's thrust with ease. Then he raced to the rear of the tremendous thing and seized it by the tail."
• (archaic, slang) Gin.
  "I took some gin but it did little to calm my mood. […] 'Come now, Bess,' she entreated, and poured another glass of lightning. 'Tell your old mother everything.' I took a gulp of the spirit, then babbled all, showing her the loot now in my possession."

verb

• (impersonal, childish or nonstandard, intransitive) To produce lightning.
  "Or if it thundered and lightninged, Aunt Frances always dropped everything she might be doing and held Elizabeth Ann tightly in her arms until it was all over."