What is the biggest lie you have ever told as a kid?

[Happytofita]

Hello,

I vividly remember telling other kids about a dinosaur's bone in our backyard. Of course they did not believe that. They did not tell me at the outset. But later, after some years, we laughed about it.

What about you? Fess up.

: o)

[Someone]

And how one should estimate the size of a lie? Please give us a clue.
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Please do not hesitate to correct my language mistakes.