Angry look depressing champion (7)
I believe the answer is:
grimace
'angry look' is the definition.
The answer and definition can be both related to bodily activities as well as being verbs in their base form.
Perhaps there's an association between them I don't understand?
'depressing champion' is the wordplay.
'depressing' becomes 'grim' (synonyms).
'champion' becomes 'ace' (both can mean a person excelling at something).
'grim'+'ace'='GRIMACE'
Can you help me to learn more?
(Other definitions for grimace that I've seen before include "displeasure" , "(Make) a wry face" , "Pull a face" , "Dour" , "Twisted facial expression" .)