Meaning : A hollow twanging sound.
Meaning : (baseball) hitting a baseball so that it drops suddenly.
Synonyms : plunker
Meaning : Set (something or oneself) down with or as if with a noise.
Example :
He planked the money on the table.
He planked himself into the sofa.
Synonyms : flump, plank, plonk, plop, plump, plump down, plunk down