Kerplunk

//kəˈplʌŋk// intj, noun, verb, slang

intj, noun, verb, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    A sound of someone or something falling and landing heavily. informal

    "If my life were a Saturday-morning cartoon, you would have heard a loud kerplunk as my stomach dropped. My poor starving stomach. It was under such stress already, and now this."

  2. 2
    A disappointment which comes as a surprise. US, dated, figuratively, slang
Verb
  1. 1
    To make the sound of falling and landing heavily; to thud. informal, intransitive
Intj
  1. 1
    Used to indicate a thudding sound.

    "We flipped to see who'd go first and I won, which meant Claudia had to dial. I called the number out loud for her, and inside me my heart was suddenly going "kerplunk, kerplunk, kerplunk," heavy as an elephant's feet."

Example

More examples

"If my life were a Saturday-morning cartoon, you would have heard a loud kerplunk as my stomach dropped. My poor starving stomach. It was under such stress already, and now this."

Etymology

From ker- (prefix forming onomatopoeias imitating the effect or sound of a heavy object falling) + plunk (“dull thud of something landing on a surface”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.