(as) deaf as a post
US /əz dɛf əz ə poʊst/
UK /əz dɛf əz ə poʊst/

1.
tuli sekali, sangat tuli
completely deaf or unable to hear well
:
•
My grandmother is as deaf as a post, so you'll have to shout.
Nenek saya tuli sekali, jadi Anda harus berteriak.
•
I tried to tell him, but he's as deaf as a post.
Saya mencoba memberitahunya, tapi dia tuli sekali.