咕噔咕噔
gū​dēng​gū​dēng

[onomatopoeia]

  1. 咕 gū adverbverb
    [sound of birds or stomach]
    (onomatopoeia) Mimics the clucking of a hen, the cooing of a pigeon, or the rumbling of an empty stomach; often used in doubled form as 咕咕 gū​gū
  2. 噔 dēng
    thud
    sound of a thud, a thump, or hard-soled shoes hitting the ground
  3. 咕 gū adverbverb
    [sound of birds or stomach]
    (onomatopoeia) Mimics the clucking of a hen, the cooing of a pigeon, or the rumbling of an empty stomach; often used in doubled form as 咕咕 gū​gū
  4. 噔 dēng
    thud
    sound of a thud, a thump, or hard-soled shoes hitting the ground