(Hong Kong slang) a child molester, a pedophile. The pedophile would try to coax and abduct a child by promising him with the purchase of some goldfish. Hence, the term , ‘goldfish guy’.

It was inspired by a real case in the 70's
If you pat a random child on the head , you might be suspicious of being a goldfish guy
by Tanghot July 25, 2017
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