We don't have synonyms for fry up yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are dry up, fry-up and cry up.
(n) :
(British, idiomatic) a breakfast made of tomatoes, scrambled eggs, fried eggs, bacon, sausages, hash browns, baked beans, black pudding, chips, toast and mushrooms (or any combination thereof); full English breakfast
(n) :
(British, idiomatic) a breakfast made of tomatoes, scrambled eggs, fried eggs, bacon, sausages, hash browns, baked beans, black pudding, chips, toast and mushrooms (or any combination thereof); full English breakfast