"whiffing" in the verb sense
1. sniff, whiff
perceive by inhaling through the nose
"sniff the perfume"
2. whiff
drive or carry as if by a puff of air
"The gust of air whiffed away the clouds"
3. whiff
strike out by swinging and missing the pitch charged as the third
4. puff, whiff
smoke and exhale strongly
"puff a cigar"
"whiff a pipe"
5. whiff
utter with a puff of air
"whiff out a prayer"
Source: WordNet® (An amazing lexical database of English)
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