Retiring outside with German forger? (6)
I believe the answer is:
smithy
'forger?' is the definition.
(blacksmith)
'retiring outside with german' is the wordplay.
'retiring' becomes 'shy' (both can mean reserved or introverted).
'outside' indicates putting letters inside.
'with german' becomes 'mit' ('with' in German).
'shy' enclosing 'mit' is 'SMITHY'.
(Other definitions for smithy that I've seen before include "Blacksmith's workplace" , "Blacksmith's forge" , "Vulcan was concerned?" , "Forger's workshop" , "work area" .)