Get rid of page with egg on (5)
I believe the answer is:
purge
'get rid of' is the definition.
(I've seen this in another clue)
'page with egg on' is the wordplay.
'page' becomes 'p'.
'with' means one lot of letters go next to another.
'egg on' becomes 'urge' (to egg on is to urge or encourage).
'p'+'urge'='PURGE'
(Other definitions for purge that I've seen before include "Exterminate" , "Liquidate" , "Elimination of "undesirables"" , "Remove by cleansing" , "Remove undesirable elements" .)