Can someone translate this into English:
Er hat mit ihr geschäkert.
The verb "schäckern" has no entry in dict.leo.org .
The correct spelling is schäkern which you can find in most dictionaries.
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I think the correct spelling is "geschäkert":
So, the meaning of the sentence should be:
It's not "schäckern", it's schäkern, without the 'c'. The origin of that word is:
I believe it used to be more common a few decades ago (that's not scientific, but a childhood memory).
With the 'c' gone, you find it in leo.org: my favourite translation here would be "to dally with sb.", but all others are fine.