Not be born yesterday

usgb
phrase

To not be naive or easily fooled.

I was not born yesterday, I know when someone's trying to deceive me.
Visual representation of "not be born yesterday" - To not be naive or easily fooled

Often appears as...

  • i was not born yesterday
  • you were not born yesterday

Usage tips

Idiomatic

Definition 1 of 1
Visual representation of "not be born yesterday"
LampPro Tip 1/3

Informal Expression

Used in casual conversation, might not be suitable in very formal or professional settings.

Illustration for Informal Expression
You can't fool me with that excuse; I wasn't born yesterday.
LampPro Tip 2/3

Sarcasm Potential

Often spoken with a sarcastic tone to emphasize the speaker's skepticism.

Illustration for Sarcasm Potential
He said he's never played before and then won the game – sure, I wasn't born yesterday!
LampPro Tip 3/3

Asserting Intelligence

Implies the speaker is experienced and cannot be easily tricked or taken advantage of.

Illustration for Asserting Intelligence
I wasn't born yesterday; I recognize a scam when I see one.
Visual representation of the word "Not be born yesterday"

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