Real Dictionary

whiff
A whiff of something bad or harmful is a slight sign of it.
If there is a whiff of a particular smell, you smell it only slightly or only for a brief period of time, for example as you walk past someone or something.

whiff in American English
a light puff or gust of air or wind; breath

whiff in American English 1
intransitive verb: to blow or come in whiffs or puffs, as wind or smoke
noun: a slight gust or puff of wind, air, vapor, smoke, or the like
transitive verb: to blow or drive with a whiff or puff, as the wind does

whiff in American English 2
noun: any of several flatfishes having both eyes on the left side of the head, of the genus Citharichthys, as C. cornutus ( horned whiff), inhabiting Atlantic waters from New England to Brazil

whiff in British English 1
noun: a passing odour
verb: to come, convey, or go in whiffs; puff or waft

whiff in British English 2
noun: a narrow clinker-built skiff having outriggers, for one oarsman