The most common and most likely answer to this crossword clue is the 8 letter word SHOPLIFT
I've seen this crossword clue in The Guardian
S
H
O
P
L
I
F
T
More clues leading to the result SHOPLIFT
- Naughty fish plot to steal things
- Steal from Polish characters drunk on flight after vacation
- Steal some time at work, during which ring public library
- Steal stuff left after work in spell
- Nick’s time at work involving work on line
- Steal work left during work period
- Appropriate alternative to flight in store?
- Work left during working hours — take stock?
- Steal dress left after work inside
- Knock off work, having left during work period
Buddy explains!

The straight part
We know that "Steal" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case steal = shoplift.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 SHOPLIFT mean?
SHOPLIFT noun- A shoplifter.
- To steal something from a shop / store during trading hours.
- To steal from shops / stores during trading hours.