He is as impertinent as a fly at the market.
More Hungarian Proverbs:
He tells, does something to somebody without announcement.Hungarian
Nobody is a prophet in his own country.
Hungarian
If you come, you will be, if you bring, you will eat.
Hungarian
Scrapes you short man, and you will also have.
Hungarian
This is, what we experience, this is to be liked.
Hungarian
The hangman is being hanged.
Hungarian