The most common and most likely answer to this crossword clue is the 2 plus 3 plus 3 letter word ON AND OFF
I've seen this crossword clue in Financial Times
O
N
A
N
D
O
F
F
More clues leading to the result ON AND OFF
- Switch positions from time to time
- Occasionally he pulled out before day of festival opening
- Old relative attends to shed intermittently
- Oscar gets grandma to tip intermittently
- Switch positions every so often
- Son of Judah has to raise hat sometimes
- Seedsman with shed, but not all the time
- Switch choices occasionally
- Working together with officer periodically
- Fitfully regarding a new shed
Buddy explains!
The straight part
We know that "Switch positions/every so often" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case switch positions/every so often = on and off.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.