The most common and most likely answer to this crossword clue is the 6 letter word GEYSER
I've seen this crossword clue in The Daily Telegraph
G
E
Y
S
E
R
More clues leading to the result GEYSER
- It’s a hot spring, man said
- Mentioned chap's hot tourist attraction
- One spouts — not necessarily an old man being heard
- Old Faithful Y-reg Seat half-rebuilt
- They say London bloke often spouts a lot of hot air
- Picked up bloke that may spout a lot
- Sounds like bloke’s hot discharge
- Old bloke, it’s said, one that lets off steam
- Bloke said something effusive
- Grand view around south over river in spring
Buddy explains!
The straight part
We know that "that regularly lets off steam" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case that regularly lets off steam = geyser.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 GEYSER mean?
GEYSER noun- A boiling natural spring which throws forth at frequent intervals jets of water, mud etc., driven up by the expansive power of steam.
- An instantaneous, and often dangerous, hot water heater.
- A domestic water boiler.
- To (cause to) rush or burst upward like water from a geyser.