Indignant (7,2)
I believe the answer is:
steamed up
'indignant' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for steamed up that I've seen before include "window being so opaque" , "in a stew" , "Indignant (colloq.)" , "Annoyed" , "Very agitated" .)