The most common and most likely answer to this crossword clue is the 6 letter word TON-UP
T
O
N
-
U
P
More clues leading to the result TON-UP
Buddy explains!
The straight part
We know that "going quickly" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case going quickly = ton-up.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.
What does TON-UP mean?
TON-UP noun- A speed of 100 miles an hour, especially on a motorbike.
- Fond of travelling at high speeds