Meaning of the word "be the best thing since sliced bread" in English

What does "be the best thing since sliced bread" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

be the best thing since sliced bread

US /bi ðə bɛst θɪŋ sɪns slaɪst brɛd/
UK /bi ðə bɛst θɪŋ sɪns slaɪst brɛd/
"be the best thing since sliced bread" picture

Idiom

1.

to be an excellent person or thing; to be extremely good or useful

Example:
My new smartphone is the best thing since sliced bread; it does everything!
She thinks her new boss is the best thing since sliced bread.
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