Meaning of めくそ in Japanese

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Definition of めくそ

めくそ(mekuso) 【目糞 ·目屎】

めくそはなくそをわらう(mekusohanakusowowarau) 【目くそ鼻くそを笑う ·目糞鼻糞を笑う ·目糞鼻屎を笑う】

(exp) the pot calling the kettle black (lit: for the sleep in one's eyes to laugh at the snot in one's nose)

つめくそ(tsumekuso) 【爪糞】