not know (someone) from a bar of soap



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not know (someone) from a bar of soap

To be completely unaware of or know nothing about someone; to have never met the person indicated. My girlfriend got really excited when a movie star apparently walked past us, but I wouldn't know him from a bar of soap. Someone I wouldn't know from a bar of soap just contacted me online, claiming to be a distant relative.
See also: bar, know, not, of, soap

Common Names:

NameGenderPronouncedUsage
Adonis[ə'dəunis]
Chikumbutso-Southern African, Chewa
Perikles-Ancient Greek
KatiKAH-tee (Finnish)Finnish, Estonian, Hungarian
Irmak-Turkish
Bazylibah-ZI-leePolish (Rare)