Anvil user hammered without exception (9)
I believe the answer is:
universal
'without exception' is the definition.
(I've seen this before)
'anvil user hammered' is the wordplay.
'hammered' indicates an anagram (slang term for drunk).
'anvil'+'user'='anviluser'
'anviluser' is an anagram of 'UNIVERSAL'.
(Other definitions for universal that I've seen before include "wide-ranging and comprehensive" , "Film producer" , "blanket" , "affecting everyone" , "Worldwide or cosmic" .)