Top definition
signals the transaction of a drug deal.
"Let's Flash the Lights, so the drug dealer will know we're ready to make a deal."

Gob: Now, we wait.
George Michael: How long?
Gob: Who knows? An hour ... maybe five.
Derek: Drug delivery. You wanted some marijuana?
by G.O.B. and George Michael December 26, 2008
Get the mug
Get a Flash the Lights mug for your mate Nathalie.