WHIFF

noun

1. A waft; a brief, gentle breeze; a light gust of air
2. An odour carried briefly through the air
3. A short inhalation or exhalation of breath, especially of smoke from a cigarette or pipe.

verb

1. To waft.
2. To sniff.
3. To strike out.

adjective

1. Having a strong or unpleasant odor.