Parent with sullen look making plan (3,3)
I believe the answer is:
map out
'plan' is the definition.
(thesaurus)
'parent with sullen look' is the wordplay.
'parent' becomes 'ma' (ma is a kind of parent).
'with' says to put letters next to each other.
'sullen look' becomes 'pout'.
'ma'+'pout'='MAP OUT'
'making' acts as a link.
(Other definitions for map out that I've seen before include "Plan" , "sketch" , "Arrange in detail" .)