Definition of あんちゃん
-
(n) (my) older brother
兄ちゃん、こっち生中二つー。
Kiddo! Two medium-size drafts here. -
sonny (with a nuance of suspicion); lad
「どいてください」「やんのか?あんちゃん」
"Please move aside." "Ya wanna make something of it, sonny?"