The most common and most likely answer to this crossword clue is the 4 letter word GUSH
I've seen this crossword clue in The Daily Telegraph
G
U
S
H
More clues leading to the result GUSH
- Effusiveness upsets son in expression of affection
- Mawkishness from son in returning embrace
- Say too much in giving us hope
- Good to take first place in race, prompting
- Flood stopped by bogus handyman
- Oddly glum and quiet outpouring
- Square blocks hold back torrent
- ... leads of galvanometer unexpectedly shorted, heightening flow
- Stream of gas upset some homeowners, initially
Buddy explains!
The straight part
We know that "Flood" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case flood = gush.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 GUSH mean?
GUSH noun- A sudden rapid outflow.
- To flow forth suddenly, in great volume.
- To send (something) flowing forth suddenly in great volume.
- (especially of a woman) To ejaculate during orgasm.
- To make an excessive display of enthusiasm, praise, or sentiment.