Issue of sorcerer getting off roller coaster (5)
I believe the answer is:
allot
'issue' is the definition.
(thesaurus)
I don't understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for allot that I've seen before include "Dish out" , "Hand out" , "Dedicate" , "budget" , "Distribute, give as share" .)