Japanese for "goldfish poo"; specifically, a string of expelled poop that has failed to detach from the fish's anus so that it trails behind the fish as it swims.

A Japanese expression used either endearingly or annoyingly to describe a person or animal that literally follows someone (usually a parent/caretaker) wherever they go.
"Our Akita and 4 year-old are inseparable. They follow one another all over the house all day like each other's kingyo no unko. It's so cute."

"A celebrity's entourage is just glorified kingyo no unko".
by Eurasian Lynx August 27, 2011
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