A large cannabis cigarette.
An owl.
A woman's breast.
A siren or steam whistle, especially one in a factory and used to indicate the beginning or the end of a working day or shift.
The horn in a motor vehicle.
A penis.
A person who hoots.
A nose, especially a large one.
A person who uses snuff (the tobacco product).
The participant in a snuff film who kills another (the snuffee).
The common porpoise.
A device made to extinguish (snuff out) a candle.