 The song Jumpin' Jack Flash is actually about Keith Richards' gardener. Said the guitarist, quote, the lyrics came from a gray dawn in England. Mick and I had been up all night, it was raining outside, and there was a sound of these boots near the window. Mick said, what's that? I said, oh, that's my gardener, Jack. We call him Jumpin' Jack. The rest, as the cliche goes,