As you'll hear, teacher rewards hits for six (9)
I believe the answer is:
surprises
'hits for six' is the definition.
The definition and answer can be both to do with social activities as well as being verbs in their -s form.
Perhaps you can see an association between them that I don't see?
I don't understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for surprises that I've seen before include "Takes unawares" , "unexpected things of life" , "Sudden, unexpected events" , "Shocks" , "bowls over" .)