🐾 Flea
"Put a flea in someone's ear"
Meaning
To give someone a sharp warning or scolding.
About the flea
Fleas are tiny and irritating out of proportion to their size, which is why their idioms describe minor but persistent annoyances.
Example sentence
Mum put a flea in my ear for coming home late.
Test yourself
Which idiom means...
To give someone a sharp warning or scolding.