The most common and most likely answer to this crossword clue is the 4 plus 4 letter word BOWL OVER
B
O
W
L
O
V
E
R
More clues leading to the result BOWL OVER
- Stun fan of The Archers?
- Greatly impress archery fanatic
- Shock a fan of the East End?
- Surprise one enjoying loopy things?
- Impress archery enthusiast
- Greatly impress dyed-in-the-wool Cockney, perhaps?
- Show great respect, meeting sweetheart — wow!
- Delight in Romeo of the East End?
- Shock — what cricketer may do?
- Surprise an enthusiastic archer?
Buddy explains!

The straight part
We know that "Surprise" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case surprise = bowl over.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.