Un-Drugged Eye
Like "The untrained eye", One who has the Un-drugged eye fails to see something from the perspective of someone who is under the influence of drugs (mainly weed), this often results in the misunderstanding of a situation.
"Why is everyone looking at me in that way? Just 'cause i'm hanging upside down from the bus shelter..."
"I guess they have the un-drugged eye"
"I guess they have the un-drugged eye"