### Clue: Excellent fellow, poor driver? (6)
### Answer: TOPPER 
 ### Explanation: Definition: Excellent fellow,poor driver
 Double defn: 1st: An excellent and well-liked person, who is, well, tops; and 2nd: A poor golfer who drives off the tee by hitting the top (not the sweet spot) of the ball, ensuring that his/her ball doesn't travel far.
Answer: Also, an informal term for a top hat.