The most common and most likely answer to this crossword clue is the 7 letter word AEROSOL
I've seen this crossword clue in The Times
A
E
R
O
S
O
L
More clues leading to the result AEROSOL
- Mister Solo shot after a little hesitation?
- Those regularly in salesroom should and can, under pressure
- Mister Solo animated after a little hesitation
- Heading north, look angry with a fog?
- Funky loos are getting a spray
- Look pained, turning round after a spray
- Look unhappy, returning after a spray
- With which to spray a flipping sore boil regularly?
- Greek god told to remove lining on a cloud?
- Mister Solo shot after a little hesitation
Buddy explains!

The straight part
We know that "spray" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case spray = aerosol.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 AEROSOL mean?
AEROSOL noun- A mixture of fine solid particles or liquid droplets suspended in a gaseous medium.
- An aerosol can.
- The payload (e.g. insecticide, paint, oil, cosmetics) and propellant contained by an aerosol can.
- A colloidal system in which the dispersed phase is composed of either solid or liquid particles and in which the dispersal medium is some gas, usually air.
- To spray with an aerosol.