…and then some
Definition 1 of 1
Pro Tip 1/3Exceeding Expectations
Used when something goes beyond the expected amount or degree. 
She said the test would be hard, and then some.
Pro Tip 2/3Casual Use
Common in everyday conversation, not suitable for formal writing. 
He's a good friend, and then some.
Pro Tip 3/3Emphasis on More
Emphasizes that there's significantly more than mentioned. 
We need two more chairs, and then some, for the party.