Meaning of the word "the mother of all something" in English

What does "the mother of all something" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

the mother of all something

US /ðə ˈmʌðər əv ɔːl ˈsʌmθɪŋ/
UK /ðə ˈmʌðər əv ɔːl ˈsʌmθɪŋ/
"the mother of all something" picture

Idiom

1.

used to refer to an extreme example of something, often the largest, most impressive, or most difficult one

Example:
The final exam was the mother of all tests.
They faced the mother of all traffic jams on their way to the concert.
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