snuff out

snuff (snŭf)
v. snuffed, snuff·ing, snuffs
To inhale something audibly through the nose; sniff. n.

1. A preparation of finely pulverized tobacco that can be drawn up into the nostrils by inhaling.

2. A medicated powder inhaled through or blown into the nose.

snuff out

1. Extinguish, put a sudden end to, as in Three young lives were snuffed out in that automobile accident. This usage alludes to snuff in the sense of "put out a candle by pinching the wick," an area itself called snuff from the late 1300s on. [Mid-1800s]

2. Kill, murder, as in If he told the police, the gang would snuff him out. [Slang; first half of 1900s]

3. Also, snuff it. Die or be killed, as in He looked very ill indeed, as though he might snuff out any day, or Grandpa just snuffed it. [Slang; second half of 1800s]