The most common and most likely answer to this crossword clue is the 5 letter word JAUNT
J
A
U
N
T
More clues leading to the result JAUNT
Buddy explains!

The straight part
We know that "Sally" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sally = jaunt.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 JAUNT mean?
JAUNT noun- A wearisome journey.
- A short excursion for pleasure or refreshment; a ramble; a short journey.
- To ramble here and there; to stroll; to make an excursion.
- To ride on a jaunting car.
- To jolt; to jounce.