Dismissive instruction to firemen? (2,2,6)
I believe the answer is:
go to blazes
'dismissive instruction' is the definition.
I know nothing about this answer so I cannot tell whether it can be defined by this definition.
'to firemen?' is the wordplay.
I cannot really see how this works, but
'to' is found in the answer.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for go to blazes that I've seen before include "be damned" , "Firefighters will" , "Dismissive expression (referring to hell)" .)