Was heißt »Backpfeife« auf Englisch?

Das Substantiv Backpfeife lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Synonyme

I wanted to slap myself.
For Markku Liisa's comment was a slap in the face.
She got away with a slap on the wrist.
She got off with a slap on the wrist.
It was a slap in the face for Italy.
It was a real slap in the face when she didn't answer my phone calls.
She gave him a slap in the face.
Mary gave Tom a resounding slap round the face and, ever since, it has been over between them.
Tom's rude reply provoked Mary to slap his face.
Even so ... she didn't have to slap me!
If I ever see that Tom Jackson again, I'll slap him in the face.
That was a slap in the face.
The castle is slap bang in the centre of the city.
I grew up in the centre of town, slap bang in the middle.
There was a slap-up meal.
I saw you slap Tom.
It was a symbolic slap in the face.
I tried to explain that to her, but the response was a slap in the face.

Mensch:: human being
Schlag:: beat; blow; kind; punch; race; shock; stroke; warbling; whipped cream