and then some

1. 1.

   and considerably more in addition

   “it cost me a week's salary and then some”

Questions about and then some

What does and then some mean?

and then some means "and considerably more in addition".

Is and then some a common word?

and then some is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.