Its an Indian meaning..
1.Kid..

2.To call "Bacha" for someone you care..

Indian origin. Or, a group of three friends that are very close with eachother.

a annoying young boy who sticks his stomach/chest out with overly confident demeanor to cover up his insecurities

A word commonly used in the language of Urdu and Hindi, Randi ka bacha means son of a whore or the equivalent to calling some ones mother a prostitute. This word is used in serious situations as well as just joking around with your friends. But be careful this word can be really offensive.

Kuttay ka bacha:

A phrase in Urdu, usually uttered when annoyed at someone.
ENGLISH: 'Son of a dog'

Son: Why is this dog mounting the other?
Dad: The dog above is crippled, the one below is supporting him.
Son: Bhalai ka zamana hi nahi raha, Jise sahara do wohi Gaand maarta hai
Dad: To in main say kon say kuttay ka bacha hai ?

son of a prostitute

Sexiest man alive born on September will take yo bitch in a instant.