expression, kuru verb (irregular)
get change back; receive change
Literal meaning: to receive the correct change after a payment. Used in everyday transactions.
千円札で払ったら、お釣りがきた。
I paid with a 1000-yen bill and got change back.
expression, kuru verb (irregular)
be more than enough; have plenty to spare
Idiomatic use: something is so excessive that it feels like getting change back. Often used humorously or emphatically.
彼の料理は美味しすぎて、お釣りがくるくらいだ。
His cooking is so delicious it's more than enough—like getting change back.