The most common and most likely answer to this crossword clue is the 4 letter word DAMP
I've seen this crossword clue in The Times
D
A
M
P
More clues leading to the result DAMP
- What was busted in war with power — having a bit of water!
- A producer of mop's organised solution to water in home
- Wettish mark in person's home comes back
- Wall holding back water pressure is moist
- Power-crazed, facing setback in the rain?
- Soggy embankment parking
- Notice retiring politician’s a bit wet
- Attorney getting politician slightly wet
- Check Mother’s parking
- Slightly wet in Amsterdam, perhaps
Buddy explains!

The straight part
We know that "having a bit of water" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case having a bit of water = damp.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 DAMP mean?
DAMP noun- Moisture; humidity; dampness.
- Fog; fogginess; vapor.
- Dejection or depression; something that spoils a positive emotion (such as enjoyment, satisfaction, expectation or courage) or a desired activity.
- A gaseous product, formed in coal mines, old wells, pits, etc.
- To dampen; to make moderately wet
- To put out, as fire; to weaken, restrain, or make dull.
- To suppress vibrations (mechanical) or oscillations (electrical) by converting energy to heat (or some other form of energy).
- In a state between dry and wet; moderately wet; moist.
- Despondent; dispirited, downcast.
- Permitting the possession of alcoholic beverages, but not their sale.