The most common and most likely answer to this crossword clue is the 4 plus 5 letter word DAMP SQUIB
D
A
M
P
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I
B
More clues leading to the result DAMP SQUIB
- Dud politicians who in Paris stop poor tipping
- Mad quips rubbished British failure?
- Politicians half quibbled after poster put up – such a disappointment
- Failed attempt at bad, bad quips about Mike
- Disappointing show discourages objections when second half is abandoned
- Liberal MP is bad — without question, a disappointment.
- Feeble joke in cracker not dry enough to work?
- First of many cutting bad quips wasted in feeble lampoon
- Disappointing outcome of steamy satire
- Disappointment caused by moist firework?
Buddy explains!

The straight part
We know that "feeble lampoon" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case feeble lampoon = damp squib.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.