The most common and most likely answer to this crossword clue is the 5 letter word SPENT
I've seen this crossword clue in The Times
S
P
E
N
T
More clues leading to the result SPENT
- Son in confinement lashed out
- Exhausted writer in street
- Exhausted writer gets in the way
- Exhausted author lying in street
- Piano, delivered outside, provides beat
- Drained power during broadcast
- Pooped and scooped?
- Initially sleeping poorly every night, they’re exhausted
- Crisp entrecote only partly consumed
- What’s this in Estonia, including little pence?
Buddy explains!

The straight part
We know that "lashed out" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case lashed out = spent.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 SPENT mean?
SPENT verb- To pay out (money).
- To bestow; to employ; often with on or upon.
- To squander.
- To exhaust, to wear out.
- To consume, to use up (time).
- To have an orgasm; to ejaculate sexually.
- To waste or wear away; to be consumed.
- To be diffused; to spread.
- To break ground; to continue working.
- Consumed, used up, exhausted, depleted.
- Of fish: exhausted as a result of having spawned.