1) Grandad's as deaf as a post.

2) He is as deaf as a post [ stone , door - post , door - nail , an adder ].

3) The old man was deaf as a post, it was impossible to whisper to him.

4) He's deaf as a post since a load of coal fell on him in '56.

5) It is of no use to talk to him; he is as deaf as a post.

6) I had to shout at the old man before he heard me; he must be as deaf as a post.