Was visibly unsteady when stoned! (6)
I believe the answer is:
rocked
'stoned' is the definition.
Although both the answer and definition are past participle verbs, I can't see how they can define each other.
I cannot understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for rocked that I've seen before include "Shook, swayed" , "Move to and fro, as with cradle" , "Swayed or shaken - or danced vigorously" , "Startled, shaken" , "Moved back and forth or sideways" .)