Having toilet break, quietly kept in touch (2,3,4)
I believe the answer is:
in the loop
'having' is the definition.
I know nothing about this answer so I cannot tell whether it can be defined by this definition.
'toilet break quietly kept in touch' is the wordplay.
I cannot really understand how this works, but
'toilet' could be 'loo' (loo can informally mean a toilet) and 'loo' is found in the answer.
'quietly' could be 'p' (p for piano and quiet) and 'p' is found in the answer.
'in' is present in the answer.
The remaining letters 'the' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...
(Other definitions for in the loop that I've seen before include "Well informed" , "kept informed" , "briefed?" .)