refers to a type of fish known for its bright blue underside.

can colloquially refer to a person with a prominent stomach, often used humorously.

उज्ज्वल पेट वाला व्यक्ति

English Usage: He calls himself a blue belly after indulging in too many desserts.

Hindi Usage: वह खुद को नीले पेट वाला कहता है जब उसने बहुत सारे मिठाई खा लिए।