The most common and most likely answer to this crossword clue is the 5 letter word LEAPS
I've seen this crossword clue in The Daily Telegraph
L
E
A
P
S
More clues leading to the result LEAPS
Buddy explains!

The straight part
We know that "Jumps" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case jumps = leaps.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 LEAPS mean?
LEAPS noun- The act of leaping or jumping.
- The distance traversed by a leap or jump.
- A group of leopards.
- A significant move forward.
- A large step in reasoning, often one that is not justified by the facts.
- A fault.
- Copulation with, or coverture of, a female beast.
- A passing from one note to another by an interval, especially by a long one, or by one including several other intermediate intervals.
- A salmon ladder.
- A basket.
- A trap or snare for fish, made from twigs; a weely.
- Half a bushel.