The most common and most likely answer to this crossword clue is the 3 plus 2 plus 3 plus 4 plus 3 letter word LET IT ALL HANG OUT
L
E
T
I
T
A
L
L
H
A
N
G
O
U
T
More clues leading to the result LET IT ALL HANG OUT
- Don't take the washing in, have some fun!
- How does one get the washing dry and relax?
- Relax and laugh a little, not hysterically
- Veg list that ill invalid’s running through to get on top of 19
- Relax and allow country almost liberal resort
- Everyone in late night dancing away to relax
- Guilt that left alone disperses, be totally relaxed
Buddy explains!

The straight part
We know that "to relax" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case to relax = let it all hang out.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.