Somebody putting wedge back on rug (6)
I believe the answer is:
bigwig
'somebody' is the definition.
(in sense of somebody important)
'wedge back on rug' is the wordplay.
'wedge' becomes 'gib'.
'back' shows that the letters should be reversed in order.
'on' means one lot of letters go next to another.
'rug' becomes 'wig' ('rug' is an informal term for a wig).
'gib' reversed gives 'big'.
'big'+'wig'='BIGWIG'
'putting' is the link.
(Other definitions for bigwig that I've seen before include "Important person (colloq.)" , "Important person with large toupee" , "VIP with large toupee" , "Somebody" , "'Chief, top banana (6)'" .)