The most common and most likely answer to this crossword clue is the 9 plus 6 letter word CROSSWORD PUZZLE
I've seen this crossword clue in The Guardian
C
R
O
S
S
W
O
R
D
P
U
Z
Z
L
E
More clues leading to the result CROSSWORD PUZZLE
- This producer's slow, laboriously enlisting a pair of unknowns
- Angry talk to confuse what you’re doing?
- This indignant line-up, with first of dissenters on floor
- Go over promise on mystery that you’re trying to solve
- This promise kept by irascible fox
- This load should be placed on floor after finishing work early at the beginning of day
- This angry exchange standing on floor
- Christian symbol on floor, oath inscribed — this
- d This poser is after snappy conversationA poser followsa harsh conversation. You are doing this NOW! or at least checking on how your solve went.
Buddy explains!
The straight part
We know that "This/This" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case this/this = crossword puzzle.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.