Jog with the elbow (5)
I believe the answer is:
nudge
'jog with the elbow' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for nudge that I've seen before include "Jogger" , "Jog" , "Prod gently with elbow" , "Slight push" , "Remind, prompt gently" .)