hanger-on; clingy follower; tag-along
Idiomatic, mildly derogatory term for someone who follows another person around persistently, like goldfish feces trailing behind. Often used humorously or critically among friends.
See also: 金魚のフン
That guy is always following the senior around like a shadow, isn't he?
彼女は彼氏の金魚のうんこで、どこにでも一緒に行く。
She's her boyfriend's clingy follower and goes everywhere with him.
Standard kanji-kana mixed spelling.
Katakana variant for emphasis or casual writing.
From the image of goldfish feces trailing behind the fish; the expression likens a person who constantly follows another to this trailing waste.