This. Throw in 'hipsters', folk who think they're DJs when all they do is create playlists on a laptop, huns.
Without the external auditory canal (the hole), the tympanic membrane (eardrum) would be useless. Just so happens my topic this week is hearing
That's a hole in yer head. The hole in the ear is the ridiculous tribal looking ones that attention seeking twats are currently all sporting.