The most common and most likely answer to this crossword clue is the 8 letter word WATERBED
I've seen this crossword clue in The Daily Telegraph
W
A
T
E
R
B
E
D
More clues leading to the result WATERBED
Buddy explains!
The straight part
We know that "Where one relaxes over many pints" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case where one relaxes over many pints = waterbed.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 WATERBED mean?
WATERBED noun- A bed with a tough plastic mattress filled with water.