(used to suggest) the sound of something heavy falling or dropping with a thud
Origin of kerplunkechoic
with or as with such a sound: I tripped and fell kerplunk
to fall or drop heavily or with a thud
intransitive verbker·plunked, ker·plunk·ing, ker·plunks
To fall with a sound like that of a heavy object falling into water.
A kerplunking sound or movement.
Origin of kerplunkker- intensive pref. ( probably from Scots) plunk
- A thudding or thunking sound.
From ker- + plunk.