Rogue channel out to catch me -- spam! (8,4)
I believe the answer is:
luncheon meat
'spam' is the definition.
(I've seen this before)
'rogue channel out to catch me' is the wordplay.
'rogue' indicates an anagram.
'to catch' indicates putting letters inside.
'channel'+'out'='channelout'
'channelout' is an anagram of 'luncheonat'.
'luncheonat' placed around 'me' is 'LUNCHEON MEAT'.
(Other definitions for luncheon meat that I've seen before include "Spam" , "Pre-cooked and preserved loaf of pork, say" .)