Term: chunka-chunk
Example: 'hey baz, clean the rollers will ya?' 'ok' (grabs a rag) (chunka-chunk sound) 'hey tone, the chunka-chunk is empty, can ya get some more chunka-chunk fluid from the chunka-chunk shop?'
Definition: technical offset printing term referring to the tin object containing roller cleaner, with a plunger on it, that sits near the end of a heidelberg press