from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A flame produced in the breech of a gun by ignition of residual gases.
- noun A burst of something aimed back at its origin; a backfire.
Sorry, no etymologies found.
Why, there, if a college student comes downtown with a flareback coat and heart-shaped trousers and one of those nifty little pompadour hats that are brushed back from the brow to give the brains a chance to grow, they arrest him for collecting a crowd and disturbing traffic.