Add soda to beer with some variables - it's a great fit (8)
I believe the answer is:
apoplexy
'fit' is the definition.
(as in an apoplectic fit)
'add soda to beer with some variables it's a great' is the wordplay.
I cannot really understand how this works, but
'soda' could be 'pop' (synonyms) and 'pop' is found in the answer.
'beer' could be 'ale' (type of beer) and 'ale' is found within the leftover letters.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for apoplexy that I've seen before include "Speechlessness due to fury" , "Rupture of a blood vessel or extreme anger" , "Rage" , "Rush of blood to the head, or a stroke" , "A stroke, rupture of artery in brain" .)