ぜーぜー

adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'

gasping for breath; panting; wheezing

Onomatopoeic adverb describing labored breathing, often due to exhaustion, illness, or respiratory distress. Can be used with する to mean 'to gasp/pant'.

• 走はしった後あとで、ぜーぜー息いきを切きらしていた。

  After running, I was panting heavily.