1. strike a light - Verb
2. strike a light - Interjection
strike a light (third-person singular simple present strikes a light, present participle striking a light, simple past struck a light, past participle struck a light or (rare) stricken a light)
(idiomatic) To create a flame (using a match, flint, etc.).
strike a light
(UK, informal, dated) Expressing surprise.
Cor, strike a light! Did you see him jump into the river?