Japanese dish right, I agree! (5)
I believe the answer is:
ramen
'japanese dish' is the definition.
(I've seen this in another clue)
'right i agree' is the wordplay.
'right' becomes 'r' (abbreviation).
'i agree' becomes 'amen' ('amen' might be said to indicate agreement).
'r'+'amen'='RAMEN'
(Other definitions for ramen that I've seen before include "Quick-cooking noodles" , "soup" , "Exotic dish" , "Oriental noodles" .)