Meaning of ききみみ in Japanese

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Definition of ききみみ

ききみみ(kikimimi) 【聞き耳 ·聞耳 ·聴き耳 ·聴耳】

(n) straining one's ears
彼が秘密を打ち明け始めるとみんな聞き耳をたてた。
We were all ears when he started to tell us his secret.

ききみみをたてる(kikimimiwotateru) 【聞き耳を立てる】

(exp, v1) to prick up one's ears and listen; to listen attentively
人が何かを率直に言うと、アメリカ人たちは、聞き耳を立てる。
Americans are all ears when people say something.