How to say "sonny" in Japanese

• 兄ちゃんにいちゃんCommon
  nounThe common word for the address sense of 'sonny': calling out to a boy or young man, as a shopkeeper might to a young male customer. It also covers 'young man' and 'lad'.
  兄にいちゃん、こっち生なま中二ちゅうにつー。↗

  Kiddo! Two medium-size drafts here.
• お兄ちゃんおにいちゃん
  nounA less common choice in familiar language, covering the 'lad' and 'sonny' senses; at home it is above all what children call their older brother.
  ママー、今いまあのおにいちゃんすごいころんだよー。↗

  Mummy, that man just fell flat on his face!

「兄ちゃん」 is the common word for addressing a boy or young man as 'sonny' or 'lad'; 「お兄ちゃん」 is a less common variant in familiar language, covering the same 'lad' and 'sonny' senses.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 坊主ぼうずboy
• 兄ちゃんにいちゃんyoung man
• 坊ぼうboy
• お兄ちゃんおにいちゃんlad