ケツがあおい・けつがあおい・しりがあおい

ケツが青い

表記・読み：尻が青い・ケツがあおい・けつがあおい・しりがあおい

1. 1

   wet behind the ears; inexperienced; immature

   expressions (phrases, clauses, etc.)い形容詞from the bluish tinge of children's buttocksidiomatic expression