Pole angry about everything and nothing (4,3)
I believe the answer is:
damn all
'nothing' is the definition.
('damn all' means absolutely nothing)
'pole angry about everything' is the wordplay.
'pole' becomes 'n' (abbreviation for North, as in North Pole).
'angry' becomes 'mad' (similar in meaning).
'about' shows that the letters should be reversed in order.
'everything' becomes 'all' (all things).
'n'+'mad'='nmad'
'nmad' backwards is 'damn'.
'damn'+'all'='DAMN ALL'
'and' acts as a link.
(Another definition for damn all that I've seen is " Nothing (slang)".)