expression, ichidan verb
reveal one's true self; show one's real character
Used when someone's hidden personality, habits, or background unintentionally comes out, often in informal or unguarded situations.
酔っ払うと、つい地が出る。
When I get drunk, my true self comes out.
彼は普段はおとなしい
He's usually quiet, but his real character shows when it comes to games.