Grub for which Cockney uses microwave? (4)
I believe the answer is:
eats
'grub' is the definition.
(synonyms)
I don't understand the remainder of the clue.
Can you help me to learn more?
(Other definitions for eats that I've seen before include "Consumes or dines" , "Commonly, they eliminate" , "Provisions" , "Is not any faster" , "Sate (anag.)" .)