Scottish interjection (3)
'scottish interjection' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for och that I've seen before include "What Hamish might say" , "Scottish exclamation" , "Scotsman may cry" , "Scots expression of impatience" , "Jock's expression" .)
(Other definitions for aye that I've seen before include "Yes, at the double for the sailor" , "Always" , "Yes (archaic)" , "Affirmative answer" , "One voting in favour" .)