1. clonk - Noun
2. clonk - Verb
The abrupt sound of two hard objects coming into contact.
(fishing) A stick-like tool used to strike the surface of the water and produce a sound that causes nearby fish to attack the bait.
clonk (third-person singular simple present clonks, present participle clonking, simple past and past participle clonked)
To make such a sound.