The most common and most likely answer to this crossword clue is the 6 letter word SKIDOO
S
K
I
D
O
O
More clues leading to the result SKIDOO
- Child breaks very old snowmobile
- Infant in very old winter vehicle
- Small child loves snowmobile
- Hurry off in a minuteto collect child
- Sledge to slide out of control over moor with edges falling off
- Small child gets spectacles for motor vehicle
- Fancy sledge
- Almost hide diamonds and rings in specialist transport
- Child put in very old snowmobile
- Child breaks very old sledge
Buddy explains!

The straight part
We know that "cads overturned when about to perform (6)" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cads overturned when about to perform (6) = skidoo.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 SKIDOO mean?
SKIDOO verb- To depart, especially to depart quickly
- A nonsense word, often an expression of disrespect
- A light that flashes on and off to make it more eye-catching.
- A snowmobile.
- To drive or ride on a snowmobile