puffing

noun
UK /ˈpʌfɪŋ/
US /ˈpʌfɪŋ/

Puffing is when you blow out short, quick breaths of air.

After running up the hill, she was puffing hard.


OTHER MEANINGS

2. The act of smoking a cigarette, pipe, or cigar.

He sat on the porch puffing on his pipe.

3. Swelling up or becoming bigger and rounder.

The bread was puffing up in the hot oven.

4. The soft sound of short bursts of air or smoke.

We heard the puffing of the old steam train.