Cryptic crossword clue
Let loose energy and flatulate vaporous emission! 4,3,5

The most common and most likely answer to this crossword clue is the 4 plus 3 plus 5 letter word BLOW OFF STEAM

I've seen this crossword clue in Independent
B
L
O
W
O
F
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S
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A
M

Buddy explains!

The straight part
We know that "Let loose energy" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case let loose energy = blow off steam.
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.

Crossword Answer definitions

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