This used surely to be the sign of a marksman. He would shoot out the lights by shooting the wicks of the candles in a chandelier - and the trick was to do it without touching the wax.
Hence it has come to mean extreme accuracy - even in children ball games.

A portmanteau of carpe diem, a Latin phrase that means “Seize the Day!” and DM, which stands for Direct Messages. This word means seizing the day via DMs.