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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. You pick up a rag, chunka-chunk a few times on it, and the rag becomes soaked with cleaners. So-called because it makes a chunka-chunk sound.
'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?'
by Baz June 13, 2004
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